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 NonZeroU64[src]
impl Display for NonZeroU64impl Display for EscapeUnicode[src]
impl Display for EscapeUnicodeimpl Display for EscapeDebug[src]
impl Display for EscapeDebugimpl Display for NonZeroI8[src]
impl Display for NonZeroI8impl Display for NonZeroU16[src]
impl Display for NonZeroU16impl Display for NonZeroU8[src]
impl Display for NonZeroU8impl<'a> Display for Location<'a>[src]
impl<'a> Display for Location<'a>impl Display for NonZeroU32[src]
impl Display for NonZeroU32impl Display for ParseFloatError[src]
impl Display for ParseFloatErrorimpl Display for NonZeroIsize[src]
impl Display for NonZeroIsizeimpl Display for NonZeroUsize[src]
impl Display for NonZeroUsizeimpl Display for ParseCharError[src]
impl Display for ParseCharErrorimpl Display for NonZeroU128[src]
impl Display for NonZeroU128impl Display for TryFromSliceError[src]
impl Display for TryFromSliceErrorimpl<'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 TryFromIntError[src]
impl Display for TryFromIntErrorimpl Display for NonZeroI16[src]
impl Display for NonZeroI16impl<'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 NonZeroI64[src]
impl Display for NonZeroI64impl<'a> Display for PanicInfo<'a>[src]
impl<'a> Display for PanicInfo<'a>impl Display for BorrowError[src]
impl Display for BorrowErrorimpl<'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 CharTryFromError[src]
impl Display for CharTryFromErrorimpl Display for BorrowMutError[src]
impl Display for BorrowMutErrorimpl Display for NonZeroI32[src]
impl Display for NonZeroI32impl<T> Display for Wrapping<T> where
T: Display, [src]
impl<T> Display for Wrapping<T> where
T: Display, impl Display for NonZeroI128[src]
impl Display for NonZeroI128impl Display for ParseIntError[src]
impl Display for ParseIntErrorimpl Display for EscapeDefault[src]
impl Display for EscapeDefaultimpl Display for ToUppercase[src]
impl Display for ToUppercaseimpl Display for Utf8Lossy[src]
impl Display for Utf8Lossyimpl Display for ToLowercase[src]
impl Display for ToLowercaseimpl Display for DecodeUtf16Error[src]
impl Display for DecodeUtf16ErrorImplementors
impl Display for u8impl Display for i128impl Display for u64impl Display for i16impl<'a, T> Display for &'a mut T where
T: Display + ?Sized,impl Display for charimpl Display for strimpl Display for ParseBoolErrorimpl Display for !impl Display for u32impl Display for f64impl Display for usizeimpl<'a> Display for Arguments<'a>impl Display for f32impl Display for i32impl<'a, T> Display for &'a T where
T: Display + ?Sized,impl Display for u16impl Display for i8impl Display for u128impl Display for boolimpl Display for i64impl Display for Errorimpl Display for Utf8Errorimpl Display for CannotReallocInPlaceimpl Display for isizeimpl Display for AllocErrimpl<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