Trait std::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);Run
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, }));Run
Implementations on Foreign Types
impl Display for AllocErr[src]
impl Display for AllocErrimpl Display for CannotReallocInPlace[src]
impl Display for CannotReallocInPlaceimpl Display for TryFromSliceError[src]
impl Display for TryFromSliceErrorimpl Display for Utf8Lossy[src]
impl Display for Utf8LossyImplementors
impl Display for Utf8Errorimpl Display for BorrowMutErrorimpl Display for NonZeroU8impl Display for i32impl Display for EscapeDefaultimpl Display for i8impl Display for BorrowErrorimpl Display for NonZeroI8impl Display for u8impl Display for u16impl Display for ParseFloatErrorimpl<'a, T> Display for &'a T where
T: Display + ?Sized,impl<'a, T> Display for &'a mut T where
T: Display + ?Sized,impl<'a, T> Display for Ref<'a, T> where
T: Display + ?Sized,impl<'a, T> Display for RefMut<'a, T> where
T: Display + ?Sized,impl Display for CharTryFromErrorimpl Display for f64impl Display for NonZeroU32impl Display for NonZeroI16impl Display for NonZeroI32impl Display for u32impl Display for i16impl Display for u64impl<T> Display for Wrapping<T> where
T: Display,impl Display for ParseIntErrorimpl Display for std::fmt::Errorimpl Display for u128impl<'a> Display for Arguments<'a>impl Display for !impl<'a, T> Display for Pin<'a, T> where
T: Display + ?Sized,impl Display for charimpl Display for i64impl Display for NonZeroIsizeimpl Display for ParseBoolErrorimpl Display for NonZeroU128impl<'a> Display for Location<'a>impl Display for NonZeroUsizeimpl Display for boolimpl Display for NonZeroI128impl Display for NonZeroI64impl Display for EscapeDebugimpl<'a> Display for PanicInfo<'a>impl Display for usizeimpl Display for ParseCharErrorimpl Display for NonZeroU16impl Display for i128impl Display for strimpl Display for isizeimpl Display for NonZeroU64impl Display for f32impl Display for TryFromIntErrorimpl Display for EscapeUnicodeimpl<T> Display for Box<T> where
T: Display + ?Sized,impl<T> Display for Rc<T> where
T: Display + ?Sized,impl Display for Stringimpl<T> Display for Arc<T> where
T: Display + ?Sized,impl<T> Display for PinBox<T> where
T: Display + ?Sized,impl Display for FromUtf16Errorimpl Display for FromUtf8Errorimpl Display for ParseErrorimpl<'a, B> Display for Cow<'a, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,impl Display for ToUppercaseimpl Display for ToLowercaseimpl Display for DecodeUtf16Errorimpl Display for AccessErrorimpl Display for VarErrorimpl Display for JoinPathsErrorimpl Display for NulErrorimpl Display for FromBytesWithNulErrorimpl Display for IntoStringErrorimpl<W> Display for IntoInnerError<W>impl Display for std::io::Errorimpl Display for CharsErrorimpl Display for IpAddrimpl Display for Ipv4Addrimpl Display for Ipv6Addrimpl Display for SocketAddrimpl Display for SocketAddrV4impl Display for SocketAddrV6impl Display for AddrParseErrorimpl<'a> Display for Display<'a>impl Display for StripPrefixErrorimpl Display for ExitStatusimpl<T> Display for SendError<T>impl<T> Display for TrySendError<T>impl Display for RecvErrorimpl Display for TryRecvErrorimpl Display for RecvTimeoutErrorimpl<'a, T: ?Sized + Display> Display for MutexGuard<'a, T>impl<'a, T: ?Sized + Display> Display for RwLockReadGuard<'a, T>impl<'a, T: ?Sized + Display> Display for RwLockWriteGuard<'a, T>impl Display for SystemTimeErrorimpl<T> Display for PoisonError<T>impl<T> Display for TryLockError<T>