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 TryFromSliceError[src]
impl Display for TryFromSliceErrorimpl Display for Utf8Lossy[src]
impl Display for Utf8Lossyimpl Display for LayoutErr[src]
impl Display for LayoutErrimpl Display for CannotReallocInPlace[src]
impl Display for CannotReallocInPlaceImplementors
impl Display for BorrowMutErrorimpl Display for ToLowercaseimpl Display for NonZeroU128impl Display for i16impl<'a, T> Display for Ref<'a, T> where
T: Display + ?Sized,impl<'a> Display for PanicInfo<'a>impl Display for i8impl Display for i128impl Display for NonZeroU32impl Display for ParseFloatErrorimpl Display for NonZeroU64impl Display for u16impl Display for TryFromIntErrorimpl Display for NonZeroU16impl Display for NonZeroU8impl Display for EscapeUnicodeimpl Display for isizeimpl Display for boolimpl Display for usizeimpl Display for strimpl Display for charimpl Display for CharTryFromErrorimpl Display for NonZeroUsizeimpl Display for NonZeroI8impl<T> Display for Wrapping<T> where
T: Display,impl Display for f32impl Display for NonZeroI128impl Display for EscapeDefaultimpl Display for u32impl Display for ToUppercaseimpl<'a, T> Display for Pin<'a, T> where
T: Display + ?Sized,impl Display for i32impl Display for BorrowErrorimpl Display for u64impl Display for NonZeroI16impl Display for u8impl Display for u128impl<'a, T> Display for &'a T where
T: Display + ?Sized,impl Display for ParseCharErrorimpl Display for NonZeroI64impl Display for f64impl Display for !impl<'a, T> Display for RefMut<'a, T> where
T: Display + ?Sized,impl<'a> Display for Location<'a>impl Display for std::fmt::Errorimpl<'a, T> Display for &'a mut T where
T: Display + ?Sized,impl<'a> Display for Arguments<'a>impl Display for ParseBoolErrorimpl Display for NonZeroI32impl Display for Utf8Errorimpl Display for EscapeDebugimpl Display for NonZeroIsizeimpl Display for DecodeUtf16Errorimpl Display for i64impl Display for ParseIntErrorimpl<T> Display for Box<T> where
T: Display + ?Sized,impl<T> Display for Arc<T> where
T: Display + ?Sized,impl Display for FromUtf16Errorimpl Display for Stringimpl<T> Display for PinBox<T> where
T: Display + ?Sized,impl<T> Display for Rc<T> where
T: Display + ?Sized,impl Display for ParseErrorimpl Display for FromUtf8Errorimpl<'a, B> Display for Cow<'a, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,impl 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>