Trait std::convert::TryFrom 1.34.0[−][src]
Simple and safe type conversions that may fail in a controlled
way under some circumstances. It is the reciprocal of TryInto.
This is useful when you are doing a type conversion that may
trivially succeed but may also need special handling.
For example, there is no way to convert an i64 into an i32
using the From trait, because an i64 may contain a value
that an i32 cannot represent and so the conversion would lose data.
This might be handled by truncating the i64 to an i32 (essentially
giving the i64’s value modulo i32::MAX) or by simply returning
i32::MAX, or by some other method. The From trait is intended
for perfect conversions, so the TryFrom trait informs the
programmer when a type conversion could go bad and lets them
decide how to handle it.
Generic Implementations
TryFrom<T> for UimpliesTryInto<U> for Ttry_fromis reflexive, which means thatTryFrom<T> for Tis implemented and cannot fail – the associatedErrortype for callingT::try_from()on a value of typeTisInfallible. When the!type is stabilizedInfallibleand!will be equivalent.
TryFrom<T> can be implemented as follows:
use std::convert::TryFrom; struct GreaterThanZero(i32); impl TryFrom<i32> for GreaterThanZero { type Error = &'static str; fn try_from(value: i32) -> Result<Self, Self::Error> { if value <= 0 { Err("GreaterThanZero only accepts value superior than zero!") } else { Ok(GreaterThanZero(value)) } } }Run
Examples
As described, i32 implements TryFrom<i64>:
use std::convert::TryFrom; let big_number = 1_000_000_000_000i64; // Silently truncates `big_number`, requires detecting // and handling the truncation after the fact. let smaller_number = big_number as i32; assert_eq!(smaller_number, -727379968); // Returns an error because `big_number` is too big to // fit in an `i32`. let try_smaller_number = i32::try_from(big_number); assert!(try_smaller_number.is_err()); // Returns `Ok(3)`. let try_successful_smaller_number = i32::try_from(3); assert!(try_successful_smaller_number.is_ok());Run
Associated Types
Loading content...Required methods
Loading content...Implementors
impl TryFrom<i16> for NonZeroI161.46.0[src]
impl TryFrom<i16> for NonZeroI161.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: i16
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<i16>>::Error>[src]
value: i16
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<i16>>::Error>
Attempts to convert i16 to NonZeroI16.
impl TryFrom<i32> for NonZeroI321.46.0[src]
impl TryFrom<i32> for NonZeroI321.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: i32
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<i32>>::Error>[src]
value: i32
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<i32>>::Error>
Attempts to convert i32 to NonZeroI32.
impl TryFrom<i64> for NonZeroI641.46.0[src]
impl TryFrom<i64> for NonZeroI641.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: i64
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<i64>>::Error>[src]
value: i64
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<i64>>::Error>
Attempts to convert i64 to NonZeroI64.
impl TryFrom<i128> for NonZeroI1281.46.0[src]
impl TryFrom<i128> for NonZeroI1281.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: i128
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<i128>>::Error>[src]
value: i128
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<i128>>::Error>
Attempts to convert i128 to NonZeroI128.
impl TryFrom<isize> for NonZeroIsize1.46.0[src]
impl TryFrom<isize> for NonZeroIsize1.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: isize
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<isize>>::Error>[src]
value: isize
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<isize>>::Error>
Attempts to convert isize to NonZeroIsize.
impl TryFrom<u16> for NonZeroU161.46.0[src]
impl TryFrom<u16> for NonZeroU161.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: u16
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<u16>>::Error>[src]
value: u16
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<u16>>::Error>
Attempts to convert u16 to NonZeroU16.
impl TryFrom<u32> for NonZeroU321.46.0[src]
impl TryFrom<u32> for NonZeroU321.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: u32
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<u32>>::Error>[src]
value: u32
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<u32>>::Error>
Attempts to convert u32 to NonZeroU32.
impl TryFrom<u64> for NonZeroU641.46.0[src]
impl TryFrom<u64> for NonZeroU641.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: u64
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<u64>>::Error>[src]
value: u64
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<u64>>::Error>
Attempts to convert u64 to NonZeroU64.
impl TryFrom<u128> for NonZeroU1281.46.0[src]
impl TryFrom<u128> for NonZeroU1281.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: u128
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<u128>>::Error>[src]
value: u128
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<u128>>::Error>
Attempts to convert u128 to NonZeroU128.
impl TryFrom<usize> for NonZeroUsize1.46.0[src]
impl TryFrom<usize> for NonZeroUsize1.46.0[src]type Error = TryFromIntError
pub fn try_from(
value: usize
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<usize>>::Error>[src]
value: usize
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<usize>>::Error>
Attempts to convert usize to NonZeroUsize.
impl TryFrom<NonZeroI8> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroI8> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI8>>::Error>[src]
value: NonZeroI8
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI8>>::Error>
Attempts to convert NonZeroI8 to NonZeroU16.
impl TryFrom<NonZeroI8> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroI8> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI8>>::Error>[src]
value: NonZeroI8
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI8>>::Error>
Attempts to convert NonZeroI8 to NonZeroU32.
impl TryFrom<NonZeroI8> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroI8> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI8>>::Error>[src]
value: NonZeroI8
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI8>>::Error>
Attempts to convert NonZeroI8 to NonZeroU64.
impl TryFrom<NonZeroI8> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroI8> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI8>>::Error>[src]
value: NonZeroI8
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI8>>::Error>
Attempts to convert NonZeroI8 to NonZeroU128.
impl TryFrom<NonZeroI8> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroI8> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI8>>::Error>[src]
value: NonZeroI8
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI8>>::Error>
Attempts to convert NonZeroI8 to NonZeroUsize.
impl TryFrom<NonZeroI16> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroI8.
impl TryFrom<NonZeroI16> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroU8.
impl TryFrom<NonZeroI16> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroU16.
impl TryFrom<NonZeroI16> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroU32.
impl TryFrom<NonZeroI16> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroU64.
impl TryFrom<NonZeroI16> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroU128.
impl TryFrom<NonZeroI16> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroI16> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI16>>::Error>[src]
value: NonZeroI16
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI16>>::Error>
Attempts to convert NonZeroI16 to NonZeroUsize.
impl TryFrom<NonZeroI32> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroI8.
impl TryFrom<NonZeroI32> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroI16.
impl TryFrom<NonZeroI32> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroIsize.
impl TryFrom<NonZeroI32> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroU8.
impl TryFrom<NonZeroI32> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroU16.
impl TryFrom<NonZeroI32> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroU32.
impl TryFrom<NonZeroI32> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroU64.
impl TryFrom<NonZeroI32> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroU128.
impl TryFrom<NonZeroI32> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroI32> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI32>>::Error>[src]
value: NonZeroI32
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI32>>::Error>
Attempts to convert NonZeroI32 to NonZeroUsize.
impl TryFrom<NonZeroI64> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroI8.
impl TryFrom<NonZeroI64> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroI16.
impl TryFrom<NonZeroI64> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroI32.
impl TryFrom<NonZeroI64> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroIsize.
impl TryFrom<NonZeroI64> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroU8.
impl TryFrom<NonZeroI64> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroU16.
impl TryFrom<NonZeroI64> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroU32.
impl TryFrom<NonZeroI64> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroU64.
impl TryFrom<NonZeroI64> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroU128.
impl TryFrom<NonZeroI64> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroI64> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI64>>::Error>[src]
value: NonZeroI64
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI64>>::Error>
Attempts to convert NonZeroI64 to NonZeroUsize.
impl TryFrom<NonZeroI128> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroI8.
impl TryFrom<NonZeroI128> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroI16.
impl TryFrom<NonZeroI128> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroI32.
impl TryFrom<NonZeroI128> for NonZeroI641.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroI641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroI64.
impl TryFrom<NonZeroI128> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroIsize.
impl TryFrom<NonZeroI128> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroU8.
impl TryFrom<NonZeroI128> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroU16.
impl TryFrom<NonZeroI128> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroU32.
impl TryFrom<NonZeroI128> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroU64.
impl TryFrom<NonZeroI128> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroU128.
impl TryFrom<NonZeroI128> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroI128> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI128>>::Error>[src]
value: NonZeroI128
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroI128>>::Error>
Attempts to convert NonZeroI128 to NonZeroUsize.
impl TryFrom<NonZeroIsize> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroI8.
impl TryFrom<NonZeroIsize> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroI16.
impl TryFrom<NonZeroIsize> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroI32.
impl TryFrom<NonZeroIsize> for NonZeroI641.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroI641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroI64.
impl TryFrom<NonZeroIsize> for NonZeroI1281.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroI1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroI128.
impl TryFrom<NonZeroIsize> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroU8.
impl TryFrom<NonZeroIsize> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroU16.
impl TryFrom<NonZeroIsize> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroU32.
impl TryFrom<NonZeroIsize> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroU64.
impl TryFrom<NonZeroIsize> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroU128.
impl TryFrom<NonZeroIsize> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroIsize> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroIsize>>::Error>[src]
value: NonZeroIsize
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroIsize>>::Error>
Attempts to convert NonZeroIsize to NonZeroUsize.
impl TryFrom<NonZeroU16> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroU16> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU16
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU16>>::Error>[src]
value: NonZeroU16
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU16>>::Error>
Attempts to convert NonZeroU16 to NonZeroI8.
impl TryFrom<NonZeroU16> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroU16> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU16
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU16>>::Error>[src]
value: NonZeroU16
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU16>>::Error>
Attempts to convert NonZeroU16 to NonZeroI16.
impl TryFrom<NonZeroU16> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroU16> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU16
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU16>>::Error>[src]
value: NonZeroU16
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU16>>::Error>
Attempts to convert NonZeroU16 to NonZeroIsize.
impl TryFrom<NonZeroU16> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroU16> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU16>>::Error>[src]
value: NonZeroU16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU16>>::Error>
Attempts to convert NonZeroU16 to NonZeroU8.
impl TryFrom<NonZeroU32> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroI8.
impl TryFrom<NonZeroU32> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroI16.
impl TryFrom<NonZeroU32> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroI32.
impl TryFrom<NonZeroU32> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroIsize.
impl TryFrom<NonZeroU32> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroU8.
impl TryFrom<NonZeroU32> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroU16.
impl TryFrom<NonZeroU32> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroU32> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU32>>::Error>[src]
value: NonZeroU32
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU32>>::Error>
Attempts to convert NonZeroU32 to NonZeroUsize.
impl TryFrom<NonZeroU64> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroI8.
impl TryFrom<NonZeroU64> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroI16.
impl TryFrom<NonZeroU64> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroI32.
impl TryFrom<NonZeroU64> for NonZeroI641.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroI641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroI64.
impl TryFrom<NonZeroU64> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroIsize.
impl TryFrom<NonZeroU64> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroU8.
impl TryFrom<NonZeroU64> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroU16.
impl TryFrom<NonZeroU64> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroU32.
impl TryFrom<NonZeroU64> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroU64> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU64>>::Error>[src]
value: NonZeroU64
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU64>>::Error>
Attempts to convert NonZeroU64 to NonZeroUsize.
impl TryFrom<NonZeroU128> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroI8.
impl TryFrom<NonZeroU128> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroI16.
impl TryFrom<NonZeroU128> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroI32.
impl TryFrom<NonZeroU128> for NonZeroI641.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroI641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroI64.
impl TryFrom<NonZeroU128> for NonZeroI1281.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroI1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroI128.
impl TryFrom<NonZeroU128> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroIsize.
impl TryFrom<NonZeroU128> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroU8.
impl TryFrom<NonZeroU128> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroU16.
impl TryFrom<NonZeroU128> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroU32.
impl TryFrom<NonZeroU128> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroU64.
impl TryFrom<NonZeroU128> for NonZeroUsize1.49.0[src]
impl TryFrom<NonZeroU128> for NonZeroUsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU128>>::Error>[src]
value: NonZeroU128
) -> Result<NonZeroUsize, <NonZeroUsize as TryFrom<NonZeroU128>>::Error>
Attempts to convert NonZeroU128 to NonZeroUsize.
impl TryFrom<NonZeroUsize> for NonZeroI81.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroI81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroI8.
impl TryFrom<NonZeroUsize> for NonZeroI161.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroI161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroI16, <NonZeroI16 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroI16.
impl TryFrom<NonZeroUsize> for NonZeroI321.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroI321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroI32, <NonZeroI32 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroI32.
impl TryFrom<NonZeroUsize> for NonZeroI641.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroI641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroI64, <NonZeroI64 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroI64.
impl TryFrom<NonZeroUsize> for NonZeroI1281.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroI1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroI128, <NonZeroI128 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroI128.
impl TryFrom<NonZeroUsize> for NonZeroIsize1.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroIsize1.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroIsize, <NonZeroIsize as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroIsize.
impl TryFrom<NonZeroUsize> for NonZeroU81.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroU81.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroU8.
impl TryFrom<NonZeroUsize> for NonZeroU161.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroU161.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroU16, <NonZeroU16 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroU16.
impl TryFrom<NonZeroUsize> for NonZeroU321.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroU321.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroU32, <NonZeroU32 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroU32.
impl TryFrom<NonZeroUsize> for NonZeroU641.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroU641.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroU64, <NonZeroU64 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroU64.
impl TryFrom<NonZeroUsize> for NonZeroU1281.49.0[src]
impl TryFrom<NonZeroUsize> for NonZeroU1281.49.0[src]type Error = TryFromIntError
pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroUsize>>::Error>[src]
value: NonZeroUsize
) -> Result<NonZeroU128, <NonZeroU128 as TryFrom<NonZeroUsize>>::Error>
Attempts to convert NonZeroUsize to NonZeroU128.
impl<'_, T, const N: usize> TryFrom<&'_ [T]> for [T; N] where
T: Copy, [src]
impl<'_, T, const N: usize> TryFrom<&'_ [T]> for [T; N] where
T: Copy, [src]type Error = TryFromSliceError
pub fn try_from(slice: &[T]) -> Result<[T; N], TryFromSliceError>[src]
impl<'a, T, const N: usize> TryFrom<&'a [T]> for &'a [T; N][src]
impl<'a, T, const N: usize> TryFrom<&'a [T]> for &'a [T; N][src]type Error = TryFromSliceError
pub fn try_from(slice: &[T]) -> Result<&[T; N], TryFromSliceError>[src]
impl<'a, T, const N: usize> TryFrom<&'a mut [T]> for &'a mut [T; N][src]
impl<'a, T, const N: usize> TryFrom<&'a mut [T]> for &'a mut [T; N][src]type Error = TryFromSliceError
pub fn try_from(slice: &mut [T]) -> Result<&mut [T; N], TryFromSliceError>[src]
impl<T, A, const N: usize> TryFrom<Vec<T, A>> for [T; N] where
A: Allocator, 1.48.0[src]
impl<T, A, const N: usize> TryFrom<Vec<T, A>> for [T; N] where
A: Allocator, 1.48.0[src]type Error = Vec<T, A>
pub fn try_from(vec: Vec<T, A>) -> Result<[T; N], Vec<T, A>>[src]
Gets the entire contents of the Vec<T> as an array,
if its size exactly matches that of the requested array.
Examples
use std::convert::TryInto; assert_eq!(vec![1, 2, 3].try_into(), Ok([1, 2, 3])); assert_eq!(<Vec<i32>>::new().try_into(), Ok([]));Run
If the length doesn’t match, the input comes back in Err:
use std::convert::TryInto; let r: Result<[i32; 4], _> = (0..10).collect::<Vec<_>>().try_into(); assert_eq!(r, Err(vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9]));Run
If you’re fine with just getting a prefix of the Vec<T>,
you can call .truncate(N) first.
use std::convert::TryInto; let mut v = String::from("hello world").into_bytes(); v.sort(); v.truncate(2); let [a, b]: [_; 2] = v.try_into().unwrap(); assert_eq!(a, b' '); assert_eq!(b, b'd');Run