1.0.0[−][src]Trait rustsec::package::checksum::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
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impl Display for SocketAddr
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impl Display for Ipv6Addr
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impl Display for NulError
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impl Display for RecvError
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impl Display for TryRecvError
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impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for Error
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impl<T> Display for TryLockError<T>
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impl Display for VarError
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impl<T> Display for SendError<T>
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impl Display for RecvTimeoutError
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impl<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for StripPrefixError
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impl Display for ExitStatus
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impl Display for SocketAddrV6
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impl Display for JoinPathsError
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impl Display for FromBytesWithNulError
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impl<W> Display for IntoInnerError<W>
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impl Display for Backtrace
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impl Display for SystemTimeError
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impl<T> Display for PoisonError<T>
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impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for IpAddr
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impl Display for IntoStringError
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impl<'_> Display for Display<'_>
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impl Display for AccessError
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impl Display for Ipv4Addr
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impl Display for SocketAddrV4
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impl<T> Display for TrySendError<T>
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impl<'_> Display for Location<'_>
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impl Display for bool
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impl Display for BorrowMutError
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impl Display for NonZeroU64
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impl Display for u32
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impl Display for LayoutErr
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impl Display for BorrowError
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impl Display for isize
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impl<T> Display for Wrapping<T> where
T: Display,
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T: Display,
impl Display for NonZeroI8
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impl Display for CharTryFromError
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impl Display for NonZeroI128
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impl Display for usize
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impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'_> Display for PanicInfo<'_>
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impl Display for f64
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impl Display for NonZeroI64
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impl Display for NonZeroU32
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impl<'_, T> Display for &'_ T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for i32
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impl Display for char
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impl Display for NonZeroI32
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impl Display for Utf8Error
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impl Display for AllocErr
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impl Display for u64
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impl Display for ParseFloatError
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impl Display for TryFromSliceError
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impl<'a> Display for EscapeDefault<'a>
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impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<P> Display for Pin<P> where
P: Display,
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P: Display,
impl<'a> Display for EscapeUnicode<'a>
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impl<'a> Display for EscapeDebug<'a>
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impl Display for EscapeDefault
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impl Display for DecodeUtf16Error
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impl Display for i8
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impl Display for !
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impl Display for NonZeroUsize
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impl Display for u16
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impl Display for NonZeroU16
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impl Display for str
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impl Display for ParseCharError
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impl Display for ParseBoolError
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impl Display for u128
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impl Display for u8
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impl Display for ToUppercase
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impl Display for EscapeUnicode
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impl Display for Utf8Lossy
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impl Display for TryFromIntError
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impl Display for EscapeDefault
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impl Display for Infallible
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impl Display for ParseIntError
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impl Display for i128
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impl Display for NonZeroI16
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impl Display for i16
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impl Display for NonZeroU128
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impl Display for NonZeroIsize
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impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for ToLowercase
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impl Display for NonZeroU8
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impl Display for i64
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impl Display for f32
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impl Display for EscapeDebug
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impl<T> Display for Box<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for String
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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 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> Display for Arc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> Display for Rc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<'a> Display for SymbolName<'a>
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impl<'a> Display for Demangle<'a>
impl<'a> Display for Unexpected<'a>
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impl<'a> Display for dyn Expected + 'a
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impl Display for Error
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impl Display for NaiveDateTime
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The Debug
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<'a, I, B> Display for DelayedFormat<I> where
B: Borrow<Item<'a>>,
I: Clone + Iterator<Item = B>,
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B: Borrow<Item<'a>>,
I: Clone + Iterator<Item = B>,
impl Display for FixedOffset
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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 ParseError
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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 Display for Utc
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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 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 OutOfRangeError
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impl Display for SteadyTime
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impl Display for ParseError
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impl<'a> Display for TmFmt<'a>
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impl Display for Duration
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impl Display for ParseFloatError
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impl Display for Base
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impl Display for Scope
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impl Display for UserInteraction
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impl Display for Error
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impl Display for Availability
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impl Display for PrivilegesRequired
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impl Display for ErrorKind
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impl Display for AttackComplexity
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impl Display for AttackVector
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impl Display for Confidentiality
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impl Display for Integrity
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impl Display for ReqParseError
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impl Display for VersionReq
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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 Display for Version
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impl Display for Identifier
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impl Display for Version
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impl<'input> Display for Error<'input>
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impl Display for Dependency
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impl Display for Key
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impl Display for Error
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impl Display for Value
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impl Display for ErrorKind
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impl Display for Datetime
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impl Display for Error
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impl Display for DatetimeParseError
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impl Display for Error
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impl Display for Value
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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<S> Display for Host<S> where
S: AsRef<str>,
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S: AsRef<str>,
impl Display for SyntaxViolation
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impl Display for Url
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Display the serialization of this URL.
impl Display for ParseError
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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 PercentEncode<'a>
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 Error
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impl Display for ErrorKind
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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<'a> Display for BytesOrWideString<'a>
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impl<'a> Display for SymbolName<'a>
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impl<'a> Display for Demangle<'a>
impl Display for Value
impl Display for Array
impl Display for InlineTable
impl Display for Table
impl Display for Document
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<I, R, P> Display for Errors<I, R, P> where
I: Display,
P: Display,
R: Display,
I: Display,
P: Display,
R: Display,
impl Display for SourcePosition
impl Display for StringStreamError
impl<T, R> Display for Info<T, R> where
R: Display,
T: Display,
R: Display,
T: Display,
impl Display for PointerOffset
impl<T, R> Display for Error<T, R> where
R: Display,
T: Display,
R: Display,
T: Display,
impl Display for UnexpectedParse
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 ToAsciiCharError
impl Display for AsciiStr
impl<O> Display for FromAsciiError<O>
impl Display for AsciiChar
impl Display for AsciiString
impl Display for AsAsciiStrError
impl Display for Level
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impl Display for SetLoggerError
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impl Display for LevelFilter
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impl Display for ParseLevelError
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impl Display for Error
impl Display for Regex
impl Display for Regex
impl Display for Error
impl Display for CaseFoldError
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 Error
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 ErrorKind
impl Display for UnicodeWordError
impl Display for ErrorKind
impl Display for Error
impl Display for Error
impl Display for Error
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impl Display for InvalidStatusCode
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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 Display for InvalidUriParts
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impl Display for InvalidHeaderName
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impl Display for Method
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impl Display for InvalidMethod
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impl Display for HeaderName
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impl Display for PathAndQuery
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impl Display for ToStrError
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impl Display for Error
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impl<T> Display for Port<T>
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impl Display for Uri
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impl Display for InvalidHeaderValue
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impl Display for Scheme
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impl Display for InvalidUri
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impl Display for Authority
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impl Display for Aborted
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impl Display for SpawnError
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impl<T> Display for SendTimeoutError<T>
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impl Display for Error
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impl Display for TryRecvError
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impl<T> Display for TrySendError<T>
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impl Display for ClosedError
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impl Display for JoinError
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impl<'a, T> Display for MutexGuard<'a, T> where
T: Display,
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T: Display,
impl<T> Display for SendError<T> where
T: Debug,
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T: Debug,
impl Display for TryRecvError
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impl Display for RecvError
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impl Display for ReuniteError
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impl Display for RecvError
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impl Display for TryRecvError
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impl<T> Display for SendError<T>
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impl Display for Elapsed
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impl Display for TryLockError
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impl Display for RecvError
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impl Display for TryCurrentError
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impl Display for InvalidNameError
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impl Display for Name
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impl Display for Error
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impl Display for Canceled
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impl Display for TryRecvError
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impl<T> Display for TrySendError<T>
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impl Display for SendError
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impl Display for Error
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impl Display for Reason
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impl Display for LinesCodecError
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impl Display for LengthDelimitedCodecError
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impl Display for InvalidChunkSize
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impl Display for Error
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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 BigNumRef
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impl Display for Error
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impl Display for Error
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impl Display for BigNum
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impl Display for ErrorStack
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impl Display for Asn1GeneralizedTimeRef
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impl Display for OpensslStringRef
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impl<S> Display for HandshakeError<S> where
S: Debug,
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S: Debug,
impl Display for X509VerifyResult
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impl Display for Asn1ObjectRef
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impl Display for OpensslString
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impl Display for Asn1TimeRef
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impl Display for Mime
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impl Display for FromStrError
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impl<'a> Display for Name<'a>
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impl<S> Display for Ascii<S> where
S: Display,
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S: Display,
impl<S> Display for UniCase<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 ParseColorError
impl Display for Error
impl Display for PackageId
impl Display for CompilerMessage
impl Display for Diagnostic
impl Display for Source
impl Display for Value
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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 Error
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impl Display for Number
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impl<E> Display for Compat<E> where
E: Display,
E: Display,
impl Display for Backtrace
impl<T> Display for SyncFailure<T> where
T: Display,
T: Display,
impl Display for Error
impl<D> Display for Context<D> where
D: 'static + Send + Sync + Display,
D: 'static + Send + Sync + Display,
impl Display for ReferenceType
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impl Display for ObjectType
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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 Oid
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impl Display for PopenError
impl Display for CommunicateError
impl Display for FromHexError
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impl Display for ErrorKind
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impl Display for Error
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impl Display for Pattern
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Show the original glob pattern.