pub struct ThinBox<T> where
    T: ?Sized,  { /* private fields */ }Expand description
ThinBox.
A thin pointer for heap allocation, regardless of T.
Examples
#![feature(thin_box)]
use std::boxed::ThinBox;
let five = ThinBox::new(5);
let thin_slice = ThinBox::<[i32]>::new_unsize([1, 2, 3, 4]);
use std::mem::{size_of, size_of_val};
let size_of_ptr = size_of::<*const ()>();
assert_eq!(size_of_ptr, size_of_val(&five));
assert_eq!(size_of_ptr, size_of_val(&thin_slice));Implementations
Trait Implementations
sourceimpl<T: ?Sized + Error> Error for ThinBox<T>
 
impl<T: ?Sized + Error> Error for ThinBox<T>
sourcefn source(&self) -> Option<&(dyn Error + 'static)>
 
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
sourcefn backtrace(&self) -> Option<&Backtrace>
 
fn backtrace(&self) -> Option<&Backtrace>
Returns a stack backtrace, if available, of where this error occurred. Read more
1.0.0 · sourcefn description(&self) -> &str
 
fn description(&self) -> &str
👎 Deprecated since 1.42.0: 
use the Display impl or to_string()
Auto Trait Implementations
impl<T: ?Sized> RefUnwindSafe for ThinBox<T> where
    T: RefUnwindSafe,
    <T as Pointee>::Metadata: RefUnwindSafe, 
impl<T> !Send for ThinBox<T>
impl<T> !Sync for ThinBox<T>
impl<T: ?Sized> Unpin for ThinBox<T> where
    T: Unpin, 
impl<T: ?Sized> UnwindSafe for ThinBox<T> where
    T: UnwindSafe,
    <T as Pointee>::Metadata: UnwindSafe, 
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
    T: ?Sized, 
 
impl<T> BorrowMut<T> for T where
    T: ?Sized, 
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
 
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more