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 }; assert_eq!(format!("The origin is: {}", origin), "The origin is: (0, 0)");Run
Required methods
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
[src]
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)", format!("{}", Position { longitude: 1.987, latitude: 2.983, }));Run
Implementations on Foreign Types
impl<'a> Display for EscapeAscii<'a>
[src]
impl<'a> Display for EscapeAscii<'a>
[src]Implementors
impl Display for TryReserveError
[src]
impl Display for TryReserveError
[src]impl Display for Infallible
1.34.0[src]
impl Display for Infallible
1.34.0[src]impl Display for LayoutError
1.28.0[src]
impl Display for LayoutError
1.28.0[src]impl Display for TryFromSliceError
1.36.0[src]
impl Display for TryFromSliceError
1.36.0[src]impl Display for std::ascii::EscapeDefault
1.39.0[src]
impl Display for std::ascii::EscapeDefault
1.39.0[src]impl Display for BorrowError
1.13.0[src]
impl Display for BorrowError
1.13.0[src]impl Display for BorrowMutError
1.13.0[src]
impl Display for BorrowMutError
1.13.0[src]impl Display for CharTryFromError
1.34.0[src]
impl Display for CharTryFromError
1.34.0[src]impl Display for DecodeUtf16Error
1.9.0[src]
impl Display for DecodeUtf16Error
1.9.0[src]impl Display for std::char::EscapeDebug
1.20.0[src]
impl Display for std::char::EscapeDebug
1.20.0[src]impl Display for std::char::EscapeDefault
1.16.0[src]
impl Display for std::char::EscapeDefault
1.16.0[src]impl Display for std::char::EscapeUnicode
1.16.0[src]
impl Display for std::char::EscapeUnicode
1.16.0[src]impl Display for ParseCharError
1.20.0[src]
impl Display for ParseCharError
1.20.0[src]impl Display for ToLowercase
1.16.0[src]
impl Display for ToLowercase
1.16.0[src]impl Display for ToUppercase
1.16.0[src]
impl Display for ToUppercase
1.16.0[src]impl Display for FromBytesWithNulError
1.17.0[src]
impl Display for FromBytesWithNulError
1.17.0[src]impl Display for Ipv6Addr
[src]
impl Display for Ipv6Addr
[src]Write an Ipv6Addr, conforming to the canonical style described by RFC 5952.
impl Display for NonZeroI16
1.34.0[src]
impl Display for NonZeroI16
1.34.0[src]impl Display for NonZeroI32
1.34.0[src]
impl Display for NonZeroI32
1.34.0[src]impl Display for NonZeroI64
1.34.0[src]
impl Display for NonZeroI64
1.34.0[src]impl Display for NonZeroI128
1.34.0[src]
impl Display for NonZeroI128
1.34.0[src]impl Display for NonZeroIsize
1.34.0[src]
impl Display for NonZeroIsize
1.34.0[src]impl Display for NonZeroU16
1.28.0[src]
impl Display for NonZeroU16
1.28.0[src]impl Display for NonZeroU32
1.28.0[src]
impl Display for NonZeroU32
1.28.0[src]impl Display for NonZeroU64
1.28.0[src]
impl Display for NonZeroU64
1.28.0[src]impl Display for NonZeroU128
1.28.0[src]
impl Display for NonZeroU128
1.28.0[src]impl Display for NonZeroUsize
1.28.0[src]
impl Display for NonZeroUsize
1.28.0[src]impl Display for ParseFloatError
[src]
impl Display for ParseFloatError
[src]impl Display for ParseIntError
[src]
impl Display for ParseIntError
[src]impl Display for TryFromIntError
1.34.0[src]
impl Display for TryFromIntError
1.34.0[src]impl Display for ParseBoolError
[src]
impl Display for ParseBoolError
[src]impl Display for FromUtf8Error
[src]
impl Display for FromUtf8Error
[src]impl Display for FromUtf16Error
[src]
impl Display for FromUtf16Error
[src]impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
[src]
impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
[src]impl<'a> Display for std::str::EscapeDebug<'a>
1.34.0[src]
impl<'a> Display for std::str::EscapeDebug<'a>
1.34.0[src]impl<'a> Display for std::str::EscapeDefault<'a>
1.34.0[src]
impl<'a> Display for std::str::EscapeDefault<'a>
1.34.0[src]impl<'a> Display for std::str::EscapeUnicode<'a>
1.34.0[src]
impl<'a> Display for std::str::EscapeUnicode<'a>
1.34.0[src]impl<'a, K, V> Display for std::collections::btree_map::OccupiedError<'a, K, V> where
K: Debug + Ord,
V: Debug,
[src]
impl<'a, K, V> Display for std::collections::btree_map::OccupiedError<'a, K, V> where
K: Debug + Ord,
V: Debug,
[src]impl<'a, K: Debug, V: Debug> Display for std::collections::hash_map::OccupiedError<'a, K, V>
[src]
impl<'a, K: Debug, V: Debug> Display for std::collections::hash_map::OccupiedError<'a, K, V>
[src]impl<T: ?Sized + Display> Display for MutexGuard<'_, T>
1.20.0[src]
impl<T: ?Sized + Display> Display for MutexGuard<'_, T>
1.20.0[src]impl<T: ?Sized + Display> Display for RwLockReadGuard<'_, T>
1.20.0[src]
impl<T: ?Sized + Display> Display for RwLockReadGuard<'_, T>
1.20.0[src]impl<T: ?Sized + Display> Display for RwLockWriteGuard<'_, T>
1.20.0[src]
impl<T: ?Sized + Display> Display for RwLockWriteGuard<'_, T>
1.20.0[src]