Trait rustsec::package::checksum::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)");
Required methods
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
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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<W> Display for IntoInnerError<W>
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impl Display for JoinPathsError
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impl Display for Backtrace
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impl Display for Error
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impl Display for FromBytesWithNulError
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impl Display for IntoStringError
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impl Display for IpAddr
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impl Display for ExitStatus
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impl Display for StripPrefixError
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impl Display for SocketAddrV6
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impl<T> Display for SendError<T>
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impl<T> Display for PoisonError<T>
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impl<T> Display for TryLockError<T>
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impl<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_> Display for Display<'_>
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impl Display for SocketAddr
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impl Display for TryRecvError
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impl Display for SocketAddrV4
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impl Display for RecvTimeoutError
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impl Display for NulError
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impl<T> Display for TrySendError<T>
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impl Display for AccessError
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impl Display for VarError
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impl Display for Ipv4Addr
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impl Display for Ipv6Addr
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Write an Ipv6Addr, conforming to the canonical style described by RFC 5952.
impl Display for AddrParseError
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impl Display for FromVecWithNulError
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impl Display for RecvError
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impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for SystemTimeError
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impl Display for i64
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impl Display for !
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impl Display for ToLowercase
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impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'a> Display for EscapeDebug<'a>
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impl Display for AllocError
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impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for f64
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impl Display for u16
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impl Display for BorrowError
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impl<'_> Display for Location<'_>
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impl Display for NonZeroU32
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impl<'a> Display for EscapeDefault<'a>
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impl Display for u32
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impl<'a> Display for EscapeUnicode<'a>
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impl Display for LayoutError
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impl Display for EscapeDefault
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impl Display for ParseFloatError
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impl Display for NonZeroU16
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impl Display for NonZeroI64
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impl Display for NonZeroU8
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impl Display for u128
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impl Display for ParseCharError
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impl<P> Display for Pin<P> where
P: Display,
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P: Display,
impl Display for str
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impl Display for EscapeDefault
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impl Display for NonZeroIsize
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impl Display for i32
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impl Display for Utf8Lossy
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impl Display for Utf8Error
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impl Display for NonZeroI8
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impl Display for BorrowMutError
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impl Display for ParseIntError
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impl Display for f32
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impl<'_> Display for PanicInfo<'_>
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impl Display for NonZeroUsize
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impl Display for NonZeroI16
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impl Display for NonZeroI128
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impl Display for CharTryFromError
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impl Display for i128
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impl<'_, T> Display for &'_ 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 Display for NonZeroI32
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impl Display for usize
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impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for DecodeUtf16Error
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impl Display for i8
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impl Display for char
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impl Display for NonZeroU64
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impl Display for Infallible
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impl Display for EscapeDebug
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impl Display for EscapeUnicode
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impl Display for ParseBoolError
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impl Display for u8
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impl Display for i16
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impl Display for ToUppercase
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impl Display for TryFromIntError
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impl Display for u64
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impl Display for NonZeroU128
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impl Display for bool
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impl Display for isize
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impl Display for TryFromSliceError
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impl<T> Display for Rc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
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 Display for FromUtf16Error
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impl Display for FromUtf8Error
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impl Display for TryReserveError
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impl<T, A> Display for Box<T, A> where
A: Allocator,
T: Display + ?Sized,
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A: Allocator,
T: Display + ?Sized,
impl<T> Display for Arc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for String
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impl Display for Env
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impl Display for Platform
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impl Display for Tier
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impl Display for Error
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impl Display for Arch
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impl Display for OS
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impl Display for PlatformReq
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impl<'a> Display for Unexpected<'a>
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impl Display for Error
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impl<'a> Display for dyn Expected + 'a
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impl Display for ReqParseError
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impl Display for SemVerError
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impl Display for Identifier
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impl Display for Identifier
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impl<'input> Display for Error<'input>
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impl Display for Version
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impl<R> Display for Error<R> where
R: RuleType,
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R: RuleType,
impl<'i, R> Display for Pair<'i, R> where
R: RuleType,
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R: RuleType,
impl<'i, R> Display for Pairs<'i, R> where
R: RuleType,
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R: RuleType,
impl Display for Error
impl Display for Url
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Display the serialization of this URL.
impl<S> Display for Host<S> where
S: AsRef<str>,
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S: AsRef<str>,
impl Display for ParseError
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impl Display for SyntaxViolation
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impl<'a> Display for PercentEncode<'a>
impl Display for Errors
impl<I> Display for Replacements<I> where
I: Clone + Iterator<Item = char>,
I: Clone + Iterator<Item = char>,
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<A> Display for TinyVec<A> where
A: Array,
<A as Array>::Item: Display,
A: Array,
<A as Array>::Item: Display,
impl<'s, T> Display for SliceVec<'s, T> where
T: Display,
T: Display,
impl<A> Display for ArrayVec<A> where
A: Array,
<A as Array>::Item: Display,
A: Array,
<A as Array>::Item: Display,
impl Display for Base
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impl Display for UserInteraction
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impl Display for AttackComplexity
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impl Display for Availability
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impl Display for Error
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impl Display for PrivilegesRequired
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impl Display for Confidentiality
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impl Display for Scope
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impl Display for Integrity
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impl Display for ErrorKind
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impl Display for AttackVector
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impl Display for Error
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impl Display for Key
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impl Display for Value
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impl Display for Dependency
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impl Display for ErrorKind
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impl<'a, G> Display for Dot<'a, G> where
G: IntoEdgeReferences + IntoNodeReferences + NodeIndexable + GraphProp,
<G as Data>::EdgeWeight: Display,
<G as Data>::NodeWeight: Display,
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G: IntoEdgeReferences + IntoNodeReferences + NodeIndexable + GraphProp,
<G as Data>::EdgeWeight: Display,
<G as Data>::NodeWeight: Display,
impl Display for Error
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impl Display for Datetime
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impl Display for Value
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impl Display for Error
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impl Display for DatetimeParseError
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impl Display for ErrorKind
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impl Display for Error
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impl<'a, T> Display for DisplayChain<'a, T> where
T: ChainedError,
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T: ChainedError,
impl Display for Error
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impl Display for Error
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impl Display for ErrorKind
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impl Display for ErrorKind
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impl<'a> Display for SymbolName<'a>
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impl<'a> Display for BytesOrWideString<'a>
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impl<'a> Display for Demangle<'a>
impl Display for DwMacro
impl Display for DwTag
impl Display for DwOp
impl Display for DwId
impl Display for DwVirtuality
impl Display for DwOrd
impl Display for DwEhPe
impl Display for DwDs
impl Display for Error
impl<R, Offset> Display for LineInstruction<R, Offset> where
R: Reader<Offset = Offset>,
Offset: ReaderOffset,
R: Reader<Offset = Offset>,
Offset: ReaderOffset,
impl Display for DwEnd
impl Display for DwAddr
impl Display for DwLns
impl Display for DwLne
impl Display for DwForm
impl Display for DwChildren
impl Display for DwRle
impl Display for DwAccess
impl Display for DwAte
impl Display for DwInl
impl Display for DwAt
impl Display for DwLnct
impl Display for DwDefaulted
impl Display for DwLang
impl Display for DwDsc
impl Display for DwIdx
impl Display for DwUt
impl Display for DwCfa
impl Display for DwVis
impl Display for DwCc
impl Display for DwLle
impl Display for Error
impl Display for Error
impl Display for Regex
impl Display for Regex
impl Display for Error
impl Display for Error
impl Display for Error
impl Display for Error
impl Display for CaseFoldError
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 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 ErrorKind
impl Display for UnicodeWordError
impl Display for ErrorKind
impl Display for ParseColorError
impl Display for Diagnostic
impl Display for Error
impl Display for PackageId
impl Display for CompilerMessage
impl Display for Source
impl Display for SemVerError
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impl Display for VersionReq
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impl Display for ReqParseError
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impl Display for Identifier
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impl Display for Version
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impl Display for Identifier
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impl Display for Version
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impl Display for Value
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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
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Display a JSON value as a string.
let json = json!({ "city": "London", "street": "10 Downing Street" }); // Compact format: // // {"city":"London","street":"10 Downing Street"} let compact = format!("{}", json); assert_eq!(compact, "{\"city\":\"London\",\"street\":\"10 Downing Street\"}"); // Pretty format: // // { // "city": "London", // "street": "10 Downing Street" // } let pretty = format!("{:#}", json); assert_eq!(pretty, "{\n \"city\": \"London\",\n \"street\": \"10 Downing Street\"\n}");
impl Display for Number
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impl Display for Error
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impl<E> Display for Compat<E> where
E: Display,
E: Display,
impl<D> Display for Context<D> where
D: 'static + Send + Sync + Display,
D: 'static + Send + Sync + Display,
impl Display for Error
impl<T> Display for SyncFailure<T> where
T: Display,
T: Display,
impl Display for Backtrace
impl Display for Document
impl Display for Table
impl Display for TomlError
Displays a TOML parse error
Example
TOML parse error at line 1, column 10
|
1 | 00:32:00.a999999
| ^
Unexpected a
Expected digit
While parsing a Time
While parsing a Date-Time
impl Display for Array
impl Display for Value
impl Display for InlineTable
impl Display for SourcePosition
impl<T, R> Display for Info<T, R> where
T: Display,
R: Display,
T: Display,
R: Display,
impl Display for UnexpectedParse
impl<T, R> Display for Error<T, R> where
T: Display,
R: Display,
T: Display,
R: Display,
impl<I, R, P> Display for Errors<I, R, P> where
P: Display,
I: Display,
R: Display,
P: Display,
I: Display,
R: Display,
impl Display for StringStreamError
impl Display for PointerOffset
impl<L, R> Display for Either<L, R> where
L: Display,
R: Display,
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L: Display,
R: Display,
impl Display for Void
impl Display for AsAsciiStrError
impl Display for ToAsciiCharError
impl<O> Display for FromAsciiError<O>
impl Display for AsciiStr
impl Display for AsciiString
impl Display for AsciiChar
impl Display for RoundingError
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impl<Tz> Display for DateTime<Tz> where
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
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Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
impl Display for ParseError
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impl Display for NaiveDate
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The Display
output of the naive date d
is the same as
d.format("%Y-%m-%d")
.
The string printed can be readily parsed via the parse
method on str
.
Example
use chrono::NaiveDate; assert_eq!(format!("{}", NaiveDate::from_ymd(2015, 9, 5)), "2015-09-05"); assert_eq!(format!("{}", NaiveDate::from_ymd( 0, 1, 1)), "0000-01-01"); assert_eq!(format!("{}", NaiveDate::from_ymd(9999, 12, 31)), "9999-12-31");
ISO 8601 requires an explicit sign for years before 1 BCE or after 9999 CE.
assert_eq!(format!("{}", NaiveDate::from_ymd( -1, 1, 1)), "-0001-01-01"); assert_eq!(format!("{}", NaiveDate::from_ymd(10000, 12, 31)), "+10000-12-31");
impl Display for NaiveDateTime
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The Display
output of the naive date and time dt
is the same as
dt.format("%Y-%m-%d %H:%M:%S%.f")
.
It should be noted that, for leap seconds not on the minute boundary, it may print a representation not distinguishable from non-leap seconds. This doesn’t matter in practice, since such leap seconds never happened. (By the time of the first leap second on 1972-06-30, every time zone offset around the world has standardized to the 5-minute alignment.)
Example
use chrono::NaiveDate; let dt = NaiveDate::from_ymd(2016, 11, 15).and_hms(7, 39, 24); assert_eq!(format!("{}", dt), "2016-11-15 07:39:24");
Leap seconds may also be used.
let dt = NaiveDate::from_ymd(2015, 6, 30).and_hms_milli(23, 59, 59, 1_500); assert_eq!(format!("{}", dt), "2015-06-30 23:59:60.500");
impl Display for Utc
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impl Display for Weekday
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impl Display for NaiveTime
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The Display
output of the naive time t
is the same as
t.format("%H:%M:%S%.f")
.
The string printed can be readily parsed via the parse
method on str
.
It should be noted that, for leap seconds not on the minute boundary, it may print a representation not distinguishable from non-leap seconds. This doesn’t matter in practice, since such leap seconds never happened. (By the time of the first leap second on 1972-06-30, every time zone offset around the world has standardized to the 5-minute alignment.)
Example
use chrono::NaiveTime; assert_eq!(format!("{}", NaiveTime::from_hms(23, 56, 4)), "23:56:04"); assert_eq!(format!("{}", NaiveTime::from_hms_milli(23, 56, 4, 12)), "23:56:04.012"); assert_eq!(format!("{}", NaiveTime::from_hms_micro(23, 56, 4, 1234)), "23:56:04.001234"); assert_eq!(format!("{}", NaiveTime::from_hms_nano(23, 56, 4, 123456)), "23:56:04.000123456");
Leap seconds may also be used.
assert_eq!(format!("{}", NaiveTime::from_hms_milli(6, 59, 59, 1_500)), "06:59:60.500");
impl<Tz> Display for Date<Tz> where
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
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Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
impl Display for FixedOffset
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impl<'a, I, B> Display for DelayedFormat<I> where
I: Clone + Iterator<Item = B>,
B: Borrow<Item<'a>>,
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I: Clone + Iterator<Item = B>,
B: Borrow<Item<'a>>,
impl Display for OutOfRangeError
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impl<'a> Display for TmFmt<'a>
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impl Display for ParseError
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impl Display for SteadyTime
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impl Display for Duration
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impl Display for ParseFloatError
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impl Display for Oid
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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
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Hex-encode this Oid into a formatter.
impl Display for ObjectType
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impl Display for ReferenceType
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impl Display for Error
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impl<'a> Display for Signature<'a>
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impl Display for ParseLevelError
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impl Display for LevelFilter
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impl Display for SetLoggerError
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impl Display for Level
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impl Display for PopenError
impl Display for CommunicateError
impl Display for Error
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impl Display for Scheme
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impl Display for InvalidHeaderValue
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impl Display for ToStrError
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impl Display for StatusCode
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Formats the status code, including the canonical reason.
Example
assert_eq!(format!("{}", StatusCode::OK), "200 OK");
impl<T> Display for Port<T>
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impl Display for PathAndQuery
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impl Display for InvalidStatusCode
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impl Display for InvalidUriParts
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impl Display for Method
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impl Display for InvalidUri
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impl Display for InvalidHeaderName
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impl Display for Authority
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impl Display for HeaderName
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impl Display for InvalidMethod
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impl Display for Uri
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impl Display for Error
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impl<T> Display for ReuniteError<T>
impl Display for Aborted
impl Display for SpawnError
impl<T> Display for TrySendError<T>
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impl Display for Error
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impl Display for RecvError
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impl<'a, T> Display for RwLockReadGuard<'a, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for ReuniteError
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impl Display for TryRecvError
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impl Display for TryRecvError
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impl Display for TryCurrentError
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impl Display for RecvError
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impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for RecvError
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impl<T> Display for SendError<T>
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impl<'a, T> Display for RwLockWriteGuard<'a, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for JoinError
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impl<T> Display for OwnedMutexGuard<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for Elapsed
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impl Display for TryRecvError
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impl Display for ClosedError
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impl<T> Display for SendTimeoutError<T>
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impl Display for TryLockError
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impl<T> Display for SendError<T> where
T: Debug,
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T: Debug,
impl Display for Error
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impl Display for Name
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impl Display for InvalidNameError
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impl Display for dyn Value + 'static
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impl Display for ParseLevelError
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impl Display for SetGlobalDefaultError
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impl<T> Display for DisplayValue<T> where
T: Display,
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T: Display,
impl Display for Level
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impl Display for FieldSet
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impl Display for ParseLevelFilterError
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impl Display for LevelFilter
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impl<'a> Display for ValueSet<'a>
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impl Display for Field
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impl<T> Display for TrySendError<T>
impl Display for TryRecvError
impl Display for Canceled
impl Display for SendError
impl Display for HttpDate
impl Display for Error
impl Display for Error
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impl Display for Reason
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impl Display for LengthDelimitedCodecError
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impl Display for LinesCodecError
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impl Display for InvalidChunkSize
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impl Display for Error
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impl<S> Display for HandshakeError<S> where
S: Any + Debug,
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S: Any + Debug,
impl Display for Error
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impl Display for BigNum
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impl Display for OpensslString
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impl<S> Display for HandshakeError<S> where
S: Debug,
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S: Debug,
impl Display for ErrorStack
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impl Display for OpensslStringRef
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impl Display for Error
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impl Display for Error
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impl Display for Asn1TimeRef
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impl Display for BigNumRef
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impl Display for Asn1ObjectRef
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impl Display for Asn1GeneralizedTimeRef
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impl Display for X509VerifyResult
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impl<'a> Display for Name<'a>
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impl Display for Mime
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impl Display for FromStrError
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impl<S> Display for UniCase<S> where
S: Display,
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S: Display,
impl<S> Display for Ascii<S> where
S: Display,
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S: Display,
impl<'a> Display for Base64Display<'a>
impl Display for DecodeError
impl Display for Error
impl Display for AddrParseError
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impl Display for Ipv4Net
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impl Display for IpNet
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impl Display for PrefixLenError
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impl Display for Ipv6Net
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impl Display for FromHexError
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impl Display for Error
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impl<Mode> Display for SmartString<Mode> where
Mode: SmartStringMode,
Mode: SmartStringMode,
impl Display for GlobError
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impl Display for PatternError
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impl Display for Pattern
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Show the original glob pattern.