1.0.0[−][src]Trait std::fmt::Display
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 Utf8Lossy
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impl<'a> Display for SymbolName<'a>
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impl<'a> Display for Demangle<'a>
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Implementors
impl Display for Infallible
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impl Display for VarError
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impl Display for IpAddr
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impl Display for SocketAddr
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impl Display for RecvTimeoutError
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impl Display for TryRecvError
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impl Display for bool
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impl Display for char
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impl Display for f32
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impl Display for f64
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impl Display for i128
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impl Display for i16
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impl Display for i32
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impl Display for i64
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impl Display for i8
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impl Display for isize
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impl Display for !
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impl Display for str
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impl Display for u128
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impl Display for u16
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impl Display for u32
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impl Display for u64
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impl Display for u8
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impl Display for usize
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impl Display for AllocErr
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impl Display for CannotReallocInPlace
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impl Display for LayoutErr
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impl Display for TryFromSliceError
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impl Display for BorrowError
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impl Display for BorrowMutError
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impl Display for CharTryFromError
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impl Display for DecodeUtf16Error
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impl Display for std::char::EscapeDebug
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impl Display for std::char::EscapeDefault
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impl Display for std::char::EscapeUnicode
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impl Display for ParseCharError
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impl Display for ToLowercase
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impl Display for ToUppercase
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impl Display for JoinPathsError
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impl Display for FromBytesWithNulError
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impl Display for IntoStringError
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impl Display for NulError
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impl Display for std::fmt::Error
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impl Display for std::io::Error
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impl Display for AddrParseError
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impl Display for Ipv4Addr
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impl Display for Ipv6Addr
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impl Display for SocketAddrV4
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impl Display for SocketAddrV6
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impl Display for NonZeroI128
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impl Display for NonZeroI16
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impl Display for NonZeroI32
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impl Display for NonZeroI64
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impl Display for NonZeroI8
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impl Display for NonZeroIsize
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impl Display for NonZeroU128
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impl Display for NonZeroU16
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impl Display for NonZeroU32
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impl Display for NonZeroU64
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impl Display for NonZeroU8
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impl Display for NonZeroUsize
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impl Display for ParseFloatError
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impl Display for ParseIntError
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impl Display for TryFromIntError
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impl Display for StripPrefixError
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impl Display for ExitStatus
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impl Display for ParseBoolError
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impl Display for Utf8Error
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impl Display for FromUtf16Error
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impl Display for FromUtf8Error
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impl Display for String
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impl Display for RecvError
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impl Display for AccessError
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impl Display for SystemTimeError
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impl<'_> Display for Arguments<'_>
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impl<'_> Display for Location<'_>
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impl<'_> Display for PanicInfo<'_>
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impl<'_> Display for Display<'_>
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impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
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B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
impl<'_, T> Display for &'_ T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_, T: ?Sized + Display> Display for MutexGuard<'_, T>
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impl<'_, T: ?Sized + Display> Display for RwLockReadGuard<'_, T>
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impl<'_, T: ?Sized + Display> Display for RwLockWriteGuard<'_, T>
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impl<'a> Display for std::str::EscapeDebug<'a>
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impl<'a> Display for std::str::EscapeDefault<'a>
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impl<'a> Display for std::str::EscapeUnicode<'a>
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impl<P> Display for Pin<P> where
P: Display,
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P: Display,
impl<T> Display for TryLockError<T>
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impl<T> Display for TrySendError<T>
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impl<T> Display for Box<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> Display for Wrapping<T> where
T: Display,
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T: Display,
impl<T> Display for Rc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> Display for SendError<T>
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impl<T> Display for Arc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,