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 }; println!("The origin is: {}", origin);
Required Methods
fn fmt(&self, f: &mut Formatter) -> Result<(), Error>
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)".to_owned(), format!("{}", Position { longitude: 1.987, latitude: 2.983, }));
Implementations on Foreign Types
impl Display for ToUppercase[src]
impl Display for ToUppercaseimpl Display for NonZeroI64[src]
impl Display for NonZeroI64impl Display for TryFromIntError[src]
impl Display for TryFromIntErrorimpl Display for NonZeroU16[src]
impl Display for NonZeroU16impl<'a, T> Display for Pin<'a, T> where
T: Display + ?Sized, [src]
impl<'a, T> Display for Pin<'a, T> where
T: Display + ?Sized, impl Display for AllocErr[src]
impl Display for AllocErrimpl Display for LayoutErr[src]
impl Display for LayoutErrimpl Display for DecodeUtf16Error[src]
impl Display for DecodeUtf16Errorimpl Display for CannotReallocInPlace[src]
impl Display for CannotReallocInPlaceimpl Display for NonZeroI8[src]
impl Display for NonZeroI8impl Display for ToLowercase[src]
impl Display for ToLowercaseimpl Display for NonZeroU64[src]
impl Display for NonZeroU64impl<'a> Display for Location<'a>[src]
impl<'a> Display for Location<'a>impl Display for CharTryFromError[src]
impl Display for CharTryFromErrorimpl Display for ParseIntError[src]
impl Display for ParseIntErrorimpl Display for Utf8Lossy[src]
impl Display for Utf8Lossyimpl Display for NonZeroI16[src]
impl Display for NonZeroI16impl Display for ParseFloatError[src]
impl Display for ParseFloatErrorimpl Display for EscapeDebug[src]
impl Display for EscapeDebugimpl Display for NonZeroIsize[src]
impl Display for NonZeroIsizeimpl<'a, T> Display for RefMut<'a, T> where
T: Display + ?Sized, [src]
impl<'a, T> Display for RefMut<'a, T> where
T: Display + ?Sized, impl<'a> Display for PanicInfo<'a>[src]
impl<'a> Display for PanicInfo<'a>impl Display for EscapeDefault[src]
impl Display for EscapeDefaultimpl<'a, T> Display for Ref<'a, T> where
T: Display + ?Sized, [src]
impl<'a, T> Display for Ref<'a, T> where
T: Display + ?Sized, impl Display for NonZeroI128[src]
impl Display for NonZeroI128impl<T> Display for Wrapping<T> where
T: Display, [src]
impl<T> Display for Wrapping<T> where
T: Display, impl Display for NonZeroI32[src]
impl Display for NonZeroI32impl Display for BorrowMutError[src]
impl Display for BorrowMutErrorimpl Display for TryFromSliceError[src]
impl Display for TryFromSliceErrorimpl Display for NonZeroU32[src]
impl Display for NonZeroU32impl Display for EscapeUnicode[src]
impl Display for EscapeUnicodeimpl Display for BorrowError[src]
impl Display for BorrowErrorimpl Display for NonZeroU8[src]
impl Display for NonZeroU8impl Display for ParseCharError[src]
impl Display for ParseCharErrorimpl Display for NonZeroUsize[src]
impl Display for NonZeroUsizeimpl Display for NonZeroU128[src]
impl Display for NonZeroU128Implementors
impl<T: Display + ?Sized> Display for Box<T>impl<T: Display + ?Sized> Display for PinBox<T>impl<T: ?Sized + Display> Display for Arc<T>impl<T: ?Sized + Display> Display for Rc<T>impl Display for ParseBoolErrorimpl Display for isizeimpl<'a, T> Display for &'a T where
T: Display + ?Sized,impl Display for usizeimpl Display for charimpl Display for Utf8Errorimpl Display for f32impl Display for u32impl Display for !impl Display for i16impl Display for strimpl Display for u16impl Display for u128impl Display for i128impl Display for Errorimpl Display for f64impl Display for boolimpl<'a> Display for Arguments<'a>impl Display for i32impl Display for i8impl<'a, T> Display for &'a mut T where
T: Display + ?Sized,impl Display for i64impl Display for u64impl Display for u8impl<'a, B: ?Sized> Display for Cow<'a, B> where
B: Display + ToOwned,
<B as ToOwned>::Owned: Display,impl Display for FromUtf8Errorimpl Display for FromUtf16Errorimpl Display for Stringimpl Display for ParseError