Trait alloc::fmt::Display 1.0.0[−][src]
Format trait for an empty format, {}.
Display is similar to Debug, but Display is for user-facing
output, and so cannot be derived.
For more information on formatters, see the module-level documentation.
Examples
Implementing Display on a type:
use std::fmt; struct Point { x: i32, y: i32, } impl fmt::Display for Point { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "({}, {})", self.x, self.y) } } let origin = Point { x: 0, y: 0 }; assert_eq!(format!("The origin is: {}", origin), "The origin is: (0, 0)");Run
Required methods
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>[src]
Formats the value using the given formatter.
Examples
use std::fmt; struct Position { longitude: f32, latitude: f32, } impl fmt::Display for Position { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "({}, {})", self.longitude, self.latitude) } } assert_eq!("(1.987, 2.983)", format!("{}", Position { longitude: 1.987, latitude: 2.983, }));Run
Implementations on Foreign Types
impl<'a> Display for EscapeAscii<'a>[src]
impl<'a> Display for EscapeAscii<'a>[src]impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized, [src]
impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized, [src]impl Display for EscapeDefault[src]
impl Display for EscapeDefault[src]impl Display for BorrowMutError[src]
impl Display for BorrowMutError[src]impl<T> Display for Wrapping<T> where
T: Display, [src]
impl<T> Display for Wrapping<T> where
T: Display, [src]impl Display for ParseCharError[src]
impl Display for ParseCharError[src]impl Display for EscapeUnicode[src]
impl Display for EscapeUnicode[src]impl<'_> Display for PanicInfo<'_>[src]
impl<'_> Display for PanicInfo<'_>[src]impl Display for TryFromIntError[src]
impl Display for TryFromIntError[src]impl Display for ParseIntError[src]
impl Display for ParseIntError[src]impl Display for DecodeUtf16Error[src]
impl Display for DecodeUtf16Error[src]impl Display for CharTryFromError[src]
impl Display for CharTryFromError[src]impl Display for TryFromSliceError[src]
impl Display for TryFromSliceError[src]impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized, [src]
impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized, [src]impl Display for ParseFloatError[src]
impl Display for ParseFloatError[src]impl Display for NonZeroUsize[src]
impl Display for NonZeroUsize[src]impl<P> Display for Pin<P> where
P: Display, [src]
impl<P> Display for Pin<P> where
P: Display, [src]impl Display for EscapeDefault[src]
impl Display for EscapeDefault[src]impl Display for NonZeroIsize[src]
impl Display for NonZeroIsize[src]impl<'_> Display for Location<'_>[src]
impl<'_> Display for Location<'_>[src]Implementors
impl Display for TryReserveError[src]
impl Display for TryReserveError[src]impl Display for LayoutError1.28.0[src]
impl Display for LayoutError1.28.0[src]impl Display for ParseBoolError[src]
impl Display for ParseBoolError[src]impl<'a> Display for alloc::str::EscapeDebug<'a>1.34.0[src]
impl<'a> Display for alloc::str::EscapeDebug<'a>1.34.0[src]impl<'a> Display for alloc::str::EscapeDefault<'a>1.34.0[src]
impl<'a> Display for alloc::str::EscapeDefault<'a>1.34.0[src]impl<'a> Display for alloc::str::EscapeUnicode<'a>1.34.0[src]
impl<'a> Display for alloc::str::EscapeUnicode<'a>1.34.0[src]