1.0.0[−][src]Trait frame_support::dispatch::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 }; assert_eq!(format!("The origin is: {}", origin), "The origin is: (0, 0)");
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)", format!("{}", Position { longitude: 1.987, latitude: 2.983, }));
Implementations on Foreign Types
impl Display for AddrParseError[src]
impl<W> Display for IntoInnerError<W>[src]
impl Display for IntoStringError[src]
impl Display for NulError[src]
impl<'_> Display for Display<'_>[src]
impl Display for SystemTimeError[src]
impl Display for StripPrefixError[src]
impl Display for SocketAddr[src]
impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for TryRecvError[src]
impl Display for RecvTimeoutError[src]
impl Display for SocketAddrV6[src]
impl Display for VarError[src]
impl Display for Backtrace[src]
impl Display for AccessError[src]
impl Display for Ipv6Addr[src]
Write an Ipv6Addr, conforming to the canonical style described by RFC 5952.
impl Display for RecvError[src]
impl Display for IpAddr[src]
impl Display for JoinPathsError[src]
impl Display for FromBytesWithNulError[src]
impl Display for Ipv4Addr[src]
impl<T> Display for TrySendError<T>[src]
impl<T> Display for SendError<T>[src]
impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for Error[src]
impl<T> Display for PoisonError<T>[src]
impl Display for SocketAddrV4[src]
impl<T> Display for TryLockError<T>[src]
impl Display for ExitStatus[src]
impl Display for NonZeroI64[src]
impl Display for CharTryFromError[src]
impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for i16[src]
impl Display for ParseFloatError[src]
impl Display for ParseBoolError[src]
impl Display for usize[src]
impl Display for Infallible[src]
impl Display for str[src]
impl Display for NonZeroU8[src]
impl<T> Display for Wrapping<T> where
T: Display, [src]
T: Display,
impl Display for f32[src]
impl Display for i128[src]
impl Display for u32[src]
impl Display for NonZeroU128[src]
impl Display for BorrowMutError[src]
impl Display for f64[src]
impl Display for i32[src]
impl Display for TryFromSliceError[src]
impl Display for NonZeroU64[src]
impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for u64[src]
impl Display for ToLowercase[src]
impl Display for AllocErr[src]
impl<'_> Display for PanicInfo<'_>[src]
impl Display for NonZeroU32[src]
impl Display for BorrowError[src]
impl Display for bool[src]
impl Display for EscapeDefault[src]
impl<'_> Display for Location<'_>[src]
impl Display for EscapeDefault[src]
impl Display for i64[src]
impl Display for u128[src]
impl Display for ParseIntError[src]
impl Display for Utf8Lossy[src]
impl Display for EscapeUnicode[src]
impl Display for u8[src]
impl Display for NonZeroUsize[src]
impl<P> Display for Pin<P> where
P: Display, [src]
P: Display,
impl Display for NonZeroIsize[src]
impl Display for NonZeroI8[src]
impl Display for TryFromIntError[src]
impl Display for DecodeUtf16Error[src]
impl Display for ![src]
impl Display for Utf8Error[src]
impl<'_, T> Display for &'_ T where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for i8[src]
impl Display for LayoutErr[src]
impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for isize[src]
impl Display for EscapeDebug[src]
impl Display for NonZeroI128[src]
impl Display for NonZeroU16[src]
impl<'a> Display for EscapeUnicode<'a>[src]
impl Display for ParseCharError[src]
impl<'a> Display for EscapeDefault<'a>[src]
impl Display for NonZeroI16[src]
impl<'a> Display for EscapeDebug<'a>[src]
impl Display for u16[src]
impl Display for ToUppercase[src]
impl Display for char[src]
impl Display for NonZeroI32[src]
impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display, [src]
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
impl Display for FromUtf16Error[src]
impl Display for String[src]
impl Display for TryReserveError[src]
impl<T> Display for Arc<T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl Display for FromUtf8Error[src]
impl<T> Display for Box<T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl<T> Display for Rc<T> where
T: Display + ?Sized, [src]
T: Display + ?Sized,
impl<'a> Display for SymbolName<'a>[src]
impl<'a> Display for Demangle<'a>
impl Display for ParseLevelError[src]
impl Display for Level[src]
impl Display for FieldSet[src]
impl Display for Field[src]
impl Display for SetGlobalDefaultError[src]
impl<'a> Display for ValueSet<'a>[src]
impl Display for Error[src]
impl<'a> Display for dyn Expected + 'a[src]
impl<'a> Display for Unexpected<'a>[src]
impl Display for Error[src]
impl<A> Display for ArrayString<A> where
A: Array<Item = u8> + Copy, [src]
A: Array<Item = u8> + Copy,
impl<T> Display for CapacityError<T>[src]
impl Display for Error
impl<'a, R, T> Display for RwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockUpgradableReadGuard<'a, R, T> where
R: 'a + RawRwLockUpgrade,
T: 'a + Display + ?Sized,
R: 'a + RawRwLockUpgrade,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MutexGuard<'a, R, T> where
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for ReentrantMutexGuard<'a, R, G, T> where
G: 'a + GetThreadId,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
G: 'a + GetThreadId,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedMutexGuard<'a, R, T> where
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for MappedReentrantMutexGuard<'a, R, G, T> where
G: 'a + GetThreadId,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
G: 'a + GetThreadId,
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl Display for ExecutionError[src]
impl Display for LevelFilter[src]
impl Display for SetLoggerError[src]
impl Display for ParseLevelError[src]
impl Display for Level[src]
impl Display for CodeNotFound[src]
impl Display for Public[src]
impl Display for Public[src]
impl Display for Public[src]
impl Display for AccountId32[src]
impl Display for BareCryptoStoreError[src]
impl<'a> Display for HexDisplay<'a>[src]
impl Display for CryptoTypePublicPair[src]
impl<T> Display for CapacityError<T>[src]
impl<A> Display for ArrayString<A> where
A: Array<Item = u8>, [src]
A: Array<Item = u8>,
impl Display for InvalidOutputSize
impl Display for ReadError[src]
impl Display for WeightedError[src]
impl Display for BernoulliError[src]
impl Display for Error[src]
impl Display for Error[src]
impl Display for Regex
impl Display for Regex
impl Display for Error
impl Display for Error
impl Display for UnicodeWordError
impl Display for Error
impl Display for Error
impl Display for ErrorKind
impl Display for CaseFoldError
impl Display for Error
impl Display for ErrorKind
impl Display for Hir
Print a display representation of this Hir.
The result of this is a valid regular expression pattern string.
This implementation uses constant stack space and heap space proportional
to the size of the Hir.
impl Display for Ast
Print a display representation of this Ast.
This does not preserve any of the original whitespace formatting that may have originally been present in the concrete syntax from which this Ast was generated.
This implementation uses constant stack space and heap space proportional
to the size of the Ast.
impl Display for Error
impl Display for Trap
impl Display for ValueType
impl Display for Error
impl Display for Instruction
impl Display for Error
impl Display for Error
impl Display for ParseRatioError[src]
impl<T> Display for Ratio<T> where
T: Display + Eq + One, [src]
T: Display + Eq + One,
fn fmt(&self, f: &mut Formatter) -> Result<(), Error>[src]
Renders as numer/denom. If denom=1, renders as numer.
impl Display for BigInt[src]
impl Display for ParseBigIntError[src]
impl Display for BigUint[src]
impl Display for ParseFloatError[src]
impl Display for U256
impl Display for U128
impl Display for H256
impl Display for H512
impl Display for H160
impl Display for U512
impl Display for FromHexError
impl Display for FromDecStrErr
impl Display for InvalidKeyLength
impl Display for MacError
impl Display for MultiSignatureStage
impl Display for SignatureError
impl Display for Mnemonic
impl Display for MnemonicType
impl Display for ErrorKind
impl Display for Backtrace
impl<T> Display for SyncFailure<T> where
T: Display,
T: Display,
impl<D> Display for Context<D> where
D: 'static + Send + Sync + Display,
D: 'static + Send + Sync + Display,
impl Display for Error
impl<E> Display for Compat<E> where
E: Display,
E: Display,
impl<'a> Display for BytesOrWideString<'a>[src]
impl<'a> Display for SymbolName<'a>[src]
impl<'a> Display for Demangle<'a>
impl Display for DwChildren
impl Display for DwIdx
impl Display for DwLang
impl Display for DwCfa
impl Display for DwLle
impl Display for DwVis
impl Display for DwDsc
impl Display for DwVirtuality
impl Display for DwEnd
impl Display for DwOp
impl<R, Offset> Display for LineInstruction<R, Offset> where
Offset: ReaderOffset,
R: Reader<Offset = Offset>,
Offset: ReaderOffset,
R: Reader<Offset = Offset>,
impl Display for DwLnct
impl Display for DwAccess
impl Display for DwUt
impl Display for DwDefaulted
impl Display for DwRle
impl Display for DwForm
impl Display for DwOrd
impl Display for DwLne
impl Display for DwLns
impl Display for DwAte
impl Display for DwInl
impl Display for DwTag
impl Display for DwAt
impl Display for DwAddr
impl Display for DwDs
impl Display for Error
impl Display for DwId
impl Display for DwEhPe
impl Display for DwCc
impl Display for DwMacro
impl Display for Error
impl<I> Display for Recompositions<I> where
I: Clone + Iterator<Item = char>,
I: Clone + Iterator<Item = char>,
impl<I> Display for Decompositions<I> where
I: Clone + Iterator<Item = char>,
I: Clone + Iterator<Item = char>,
impl Display for Error
impl<T> Display for ReuniteError<T>[src]
impl<T, Item> Display for ReuniteError<T, Item>[src]
impl Display for Aborted[src]
impl Display for SpawnError[src]
impl Display for Canceled[src]
impl<T> Display for TrySendError<T>[src]
impl Display for TryRecvError[src]
impl Display for SendError[src]
impl Display for EnterError[src]
impl Display for FromHexError[src]
impl Display for SignatureError
impl Display for Error
impl<T, E> Display for TrieError<T, E> where
E: MaybeDebug,
T: MaybeDebug,
E: MaybeDebug,
T: MaybeDebug,
impl<HO, CE> Display for Error<HO, CE> where
CE: Error,
HO: Debug,
CE: Error,
HO: Debug,
impl Display for MultiSigner[src]
impl Display for RuntimeString[src]
impl<Block> Display for BlockId<Block> where
Block: Block, [src]
Block: Block,