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<T> Display for Wrapping<T> where
T: Display, [src]
impl<T> Display for Wrapping<T> where
T: Display, impl Display for NonZeroUsize[src]
impl Display for NonZeroUsizeimpl Display for CharTryFromError[src]
impl Display for CharTryFromErrorimpl Display for BorrowMutError[src]
impl Display for BorrowMutErrorimpl Display for ParseFloatError[src]
impl Display for ParseFloatErrorimpl Display for Utf8Lossy[src]
impl Display for Utf8Lossyimpl<'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 Display for TryFromSliceError[src]
impl Display for TryFromSliceErrorimpl Display for NonZeroU128[src]
impl Display for NonZeroU128impl<'a, T> Display for PinMut<'a, T> where
T: Display + ?Sized, [src]
impl<'a, T> Display for PinMut<'a, T> where
T: Display + ?Sized, impl Display for EscapeDefault[src]
impl Display for EscapeDefaultimpl Display for NonZeroU16[src]
impl Display for NonZeroU16impl Display for EscapeUnicode[src]
impl Display for EscapeUnicodeimpl Display for TryFromIntError[src]
impl Display for TryFromIntErrorimpl<'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 DecodeUtf16Error[src]
impl Display for DecodeUtf16Errorimpl Display for BorrowError[src]
impl Display for BorrowErrorimpl Display for ParseCharError[src]
impl Display for ParseCharErrorimpl Display for NonZeroU64[src]
impl Display for NonZeroU64impl Display for NonZeroU32[src]
impl Display for NonZeroU32impl Display for ToLowercase[src]
impl Display for ToLowercaseimpl<'a> Display for Location<'a>[src]
impl<'a> Display for Location<'a>impl<'a> Display for PanicInfo<'a>[src]
impl<'a> Display for PanicInfo<'a>impl Display for NonZeroU8[src]
impl Display for NonZeroU8impl Display for ParseIntError[src]
impl Display for ParseIntErrorimpl Display for ToUppercase[src]
impl Display for ToUppercaseimpl Display for EscapeDebug[src]
impl Display for EscapeDebugImplementors
impl Display for f64impl Display for charimpl Display for usizeimpl Display for u128impl Display for !impl<'a, T> Display for &'a T where
T: Display + ?Sized,impl Display for i128impl Display for boolimpl Display for i64impl Display for u8impl Display for Errorimpl Display for Utf8Errorimpl<'a> Display for Arguments<'a>impl Display for isizeimpl Display for AllocErrimpl Display for strimpl Display for u16impl Display for i16impl Display for u64impl<'a, T> Display for &'a mut T where
T: Display + ?Sized,impl Display for i8impl Display for ParseBoolErrorimpl Display for i32impl Display for f32impl Display for LayoutErrimpl Display for CannotReallocInPlaceimpl Display for u32impl<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<'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