1.0.0[−][src]Trait validators::prelude::validators_prelude::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, }));
Trait Implementations
impl Trait for dyn Display + 'static + Sync + Send
impl Trait for dyn Display + 'static + Send
impl Trait for dyn Display + 'static + Sync
Implementations on Foreign Types
impl Display for JoinPathsError
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impl Display for Backtrace
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impl Display for AccessError
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impl<W> Display for IntoInnerError<W>
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impl<T> Display for TrySendError<T>
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impl Display for AddrParseError
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impl<T> Display for SendError<T>
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impl Display for SystemTimeError
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impl Display for SocketAddrV4
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impl<T> Display for TryLockError<T>
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impl Display for NulError
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impl Display for FromBytesWithNulError
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impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for VarError
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impl Display for RecvTimeoutError
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impl Display for RecvError
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impl Display for Error
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impl Display for ExitStatus
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impl Display for IntoStringError
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impl<'_> Display for Display<'_>
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impl Display for FromVecWithNulError
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impl Display for SocketAddr
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impl Display for TryRecvError
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impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for SocketAddrV6
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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<T> Display for PoisonError<T>
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impl Display for char
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impl<'_, T> Display for &'_ T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for bool
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impl Display for i128
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impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for NonZeroI64
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impl Display for Utf8Error
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impl Display for AllocError
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impl Display for ParseBoolError
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impl Display for u8
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impl Display for ParseCharError
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impl<'a> Display for EscapeDebug<'a>
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impl Display for i16
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impl<'a> Display for EscapeUnicode<'a>
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impl Display for BorrowError
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impl Display for NonZeroU32
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impl Display for DecodeUtf16Error
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impl Display for NonZeroI16
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impl Display for u128
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impl<'_> Display for PanicInfo<'_>
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impl<P> Display for Pin<P> where
P: Display,
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P: Display,
impl Display for u32
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impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for EscapeDefault
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impl<'a> Display for EscapeDefault<'a>
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impl Display for NonZeroU64
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impl Display for TryFromIntError
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impl Display for isize
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impl Display for NonZeroIsize
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impl Display for ToUppercase
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impl Display for NonZeroI8
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impl Display for ToLowercase
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impl<'_> Display for Location<'_>
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impl Display for i32
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impl Display for NonZeroU128
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impl Display for NonZeroI32
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impl Display for Infallible
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impl Display for CharTryFromError
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impl Display for NonZeroU16
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impl Display for NonZeroUsize
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impl Display for ParseFloatError
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impl Display for u16
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impl Display for EscapeUnicode
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impl Display for usize
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impl Display for f64
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impl Display for EscapeDefault
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impl<T> Display for Wrapping<T> where
T: Display,
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T: Display,
impl Display for f32
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impl Display for ParseIntError
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impl Display for !
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impl Display for NonZeroU8
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impl Display for u64
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impl Display for str
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impl Display for i8
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impl Display for EscapeDebug
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impl Display for Utf8Lossy
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impl Display for LayoutErr
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impl Display for i64
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impl Display for BorrowMutError
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impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for NonZeroI128
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impl Display for TryFromSliceError
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impl<T, A> Display for Box<T, A> where
A: AllocRef,
T: Display + ?Sized,
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A: AllocRef,
T: Display + ?Sized,
impl Display for FromUtf8Error
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impl Display for FromUtf16Error
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impl<T> Display for Arc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for TryReserveError
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impl<T> Display for Rc<T> where
T: Display + ?Sized,
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T: Display + ?Sized,
impl Display for DecodeError
impl Display for SpecificationError
impl Display for DecodeKind
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 ArrayVec<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 TinyVec<A> where
A: Array,
<A as Array>::Item: Display,
A: Array,
<A as Array>::Item: Display,
impl Display for Number
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impl Display for Error
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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<'a> Display for dyn Expected + 'a
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impl Display for Error
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impl<'a> Display for Unexpected<'a>
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impl Display for PhoneNumber
impl Display for Parse
impl Display for Extension
impl Display for Carrier
impl<'n, 'd, 'f> Display for Formatter<'n, 'd, 'f>
impl Display for NationalNumber
impl Display for Metadata
impl<E> Display for Err<E> where
E: Debug,
E: Debug,
impl<T> Display for CapacityError<T>
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impl<A> Display for ArrayString<A> where
A: Array<Item = u8> + Copy,
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A: Array<Item = u8> + Copy,
impl Display for Regex
impl Display for Regex
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 ErrorKind
impl Display for Error
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 UnicodeWordError
impl Display for Error
impl Display for CachedRegex
impl Display for LazyRegex
impl Display for Error
impl<'a, I, F> Display for FormatWith<'a, I, F> where
F: FnMut(<I as Iterator>::Item, &mut dyn FnMut(&dyn Display)) -> Result<(), Error>,
I: Iterator,
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F: FnMut(<I as Iterator>::Item, &mut dyn FnMut(&dyn Display)) -> Result<(), Error>,
I: Iterator,
impl<'a, I> Display for Format<'a, I> where
I: Iterator,
<I as Iterator>::Item: Display,
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I: Iterator,
<I as Iterator>::Item: Display,
impl<L, R> Display for Either<L, R> where
L: Display,
R: Display,
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L: Display,
R: Display,
impl Display for ErrorKind
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impl Display for Identifier
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impl Display for VersionReq
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impl Display for SemVerError
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impl Display for ReqParseError
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impl Display for Version
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impl Display for Version
impl Display for Identifier
impl<'input> Display for Error<'input>
impl<R> Display for Error<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<'i, R> Display for Pair<'i, R> where
R: RuleType,
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R: RuleType,
impl Display for Error
impl Display for SyntaxViolation
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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 Url
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Display the serialization of this URL.
impl<'a> Display for PercentEncode<'a>
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 Display for RouteUriError
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impl Display for LaunchErrorKind
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impl<'r> Display for Request<'r>
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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
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Pretty prints a Request. This is primarily used by Rocket's logging infrastructure.
impl<S, E, F> Display for Outcome<S, E, F>
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impl Display for Catcher
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impl Display for LoggingLevel
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impl Display for Limits
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impl Display for ConfigError
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impl Display for LaunchError
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impl Display for Route
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impl Display for Environment
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impl<'h> Display for Header<'h>
impl Display for ContentType
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
Formats the ContentType as an HTTP Content-Type value.
Example
use rocket::http::ContentType; let ct = format!("{}", ContentType::JSON); assert_eq!(ct, "application/json");
impl<'a> Display for Origin<'a>
impl<'a> Display for Absolute<'a>
impl Display for MediaType
impl<'a> Display for Uri<'a>
impl Display for UncasedStr
impl<'a> Display for Error<'a>
impl Display for Method
impl<'a> Display for Authority<'a>
impl<'a, P> Display for &'a (dyn UriDisplay<P> + 'a) where
P: UriPart,
P: UriPart,
impl<'s> Display for Uncased<'s>
impl Display for Accept
impl<I> Display for ParseErr<I> where
I: Input,
<I as Input>::Token: Debug,
<I as Input>::Slice: Debug,
<I as Input>::InSlice: Debug,
I: Input,
<I as Input>::Token: Debug,
<I as Input>::Slice: Debug,
<I as Input>::InSlice: Debug,
impl<I> Display for ParseErr<I> where
I: Input,
<I as Input>::Token: Debug,
<I as Input>::Token: Display,
<I as Input>::Slice: Display,
<I as Input>::Slice: Debug,
<I as Input>::InSlice: Display,
<I as Input>::InSlice: Debug,
I: Input,
<I as Input>::Token: Debug,
<I as Input>::Token: Display,
<I as Input>::Slice: Display,
<I as Input>::Slice: Debug,
<I as Input>::InSlice: Display,
<I as Input>::InSlice: Debug,
impl<T, I, S> Display for Expected<T, I, S> where
I: Debug + Display,
S: Debug + Display,
T: Debug + Display,
I: Debug + Display,
S: Debug + Display,
T: Debug + Display,
impl<T, I, S> Display for Expected<T, I, S> where
I: Debug,
S: Debug,
T: Debug,
I: Debug,
S: Debug,
T: Debug,
impl<'a> Display for Position<'a>
impl<'a, E> Display for PercentEncode<'a, E> where
E: EncodeSet,
E: EncodeSet,
impl Display for ParseError
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impl<'a, 'c> Display for EncodedCookie<'a, 'c> where
'c: 'a,
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'c: 'a,
impl Display for SameSite
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impl<'c> Display for Cookie<'c>
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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
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Formats the cookie self
as a Set-Cookie
header value.
Example
use cookie::Cookie; let mut cookie = Cookie::build("foo", "bar") .path("/") .finish(); assert_eq!(&cookie.to_string(), "foo=bar; Path=/");
impl Display for OutOfRangeError
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impl<'a> Display for TmFmt<'a>
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impl Display for SteadyTime
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impl Display for ParseError
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impl Display for Duration
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impl Display for ReadError
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impl Display for BernoulliError
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impl Display for WeightedError
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impl Display for Error
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impl Display for Error
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impl<'a> Display for Base64Display<'a>
impl Display for DecodeError
impl Display for InvalidKeyLength
impl Display for InvalidOutputSize
impl Display for InvalidKeyLength
impl Display for MacError
impl Display for InvalidPrkLength
impl Display for InvalidLength
impl Display for AccessControlRequestHeaders
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impl Display for AcceptCharset
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impl Display for ProtocolName
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impl Display for RequestUri
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impl Display for CacheControl
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impl Display for Preference
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impl Display for StatusCode
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Formats the status code, including the canonical reason.
assert_eq!(format!("{}", ImATeapot), "418 I'm a teapot"); assert_eq!(format!("{}", Unregistered(123)), "123 <unknown status code>");
impl Display for AccessControlAllowMethods
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impl Display for ConnectionOption
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impl Display for IfMatch
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impl<'a> Display for HeaderView<'a>
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impl Display for AccessControlExposeHeaders
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impl Display for AccessControlAllowCredentials
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impl Display for RelationType
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impl Display for Quality
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impl Display for LastModified
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impl Display for EntityTag
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impl Display for ContentRange
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impl Display for ContentDisposition
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impl Display for ETag
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impl Display for Protocol
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impl Display for AcceptRanges
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impl Display for HttpVersion
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impl Display for Headers
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impl Display for MediaDesc
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impl Display for Method
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impl Display for CacheDirective
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impl<'a> Display for &'a (dyn HeaderFormat + 'static + Sync + Send)
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impl Display for Prefer
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impl Display for ByteRangeSpec
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impl Display for Server
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impl Display for ContentLength
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impl Display for Upgrade
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impl Display for AccessControlMaxAge
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impl Display for Referer
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impl<T> Display for QualityItem<T> where
T: Display,
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T: Display,
impl Display for ContentLanguage
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impl Display for AccessControlAllowHeaders
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impl Display for Error
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impl Display for IfModifiedSince
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impl Display for HttpDate
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impl Display for TransferEncoding
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impl Display for ContentEncoding
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impl Display for PreferenceApplied
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impl Display for ReferrerPolicy
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impl Display for ContentType
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impl Display for Expect
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impl Display for AcceptLanguage
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impl Display for Accept
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impl Display for ExtendedValue
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impl Display for Encoding
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impl Display for From
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impl Display for Date
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impl Display for UserAgent
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impl Display for Link
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impl Display for IfUnmodifiedSince
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impl Display for AccessControlAllowOrigin
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impl Display for AcceptEncoding
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impl Display for Origin
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impl Display for Connection
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impl Display for Vary
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impl Display for Expires
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impl Display for AccessControlRequestMethod
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impl Display for IfNoneMatch
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impl Display for ContentRangeSpec
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impl Display for Charset
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impl Display for Host
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impl Display for Allow
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impl<'a, H> Display for HeaderFormatter<'a, H> where
H: HeaderFormat,
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H: HeaderFormat,
impl Display for IfRange
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impl Display for Range
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impl Display for Pragma
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impl Display for LinkValue
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impl Display for Location
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impl Display for StrictTransportSecurity
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impl Display for RangeUnit
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impl<'a> Display for Base64Display<'a>
impl Display for DecodeError
impl Display for ParseError
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impl<S> Display for HostAndPort<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<S> Display for Host<S> where
S: AsRef<str>,
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S: AsRef<str>,
impl<S> Display for UniCase<S> where
S: Display,
S: Display,
impl Display for InvalidChunkSize
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impl Display for Error
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impl Display for LanguageTag
impl Display for Error
impl Display for TopLevel
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impl<T> Display for Mime<T> where
T: AsRef<[(Attr, Value)]>,
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T: AsRef<[(Attr, Value)]>,
impl Display for Attr
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impl Display for SubLevel
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impl Display for Value
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impl Display for SetLoggerError
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impl Display for LogLevelFilter
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impl Display for ShutdownLoggerError
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impl Display for LogLevel
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impl Display for LevelFilter
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impl Display for ParseLevelError
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impl Display for SetLoggerError
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impl Display for Level
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impl<T> Display for Paint<T> where
T: Display,
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T: Display,
impl Display for DatetimeParseError
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impl Display for Error
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impl Display for Datetime
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impl Display for Error
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impl Display for Value
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Loading content...Implementors
impl Display for Base32DecodedError
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impl Display for Base32Error
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impl Display for Base64DecodedError
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impl Display for Base64Error
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impl Display for Base64UrlDecodedError
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impl Display for Base64UrlError
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impl Display for DomainError
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impl Display for EmailError
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impl Display for HostError
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impl Display for HttpFtpURLError
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impl Display for HttpURLError
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impl Display for IPError
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impl Display for IPv4Error
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impl Display for IPv6Error
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impl Display for JSONError
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impl Display for LengthError
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impl Display for LineError
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impl Display for MacAddressError
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impl Display for NumberError
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impl Display for PhoneError
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impl Display for SignedIntegerError
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impl Display for TextError
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impl Display for UUIDError
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impl Display for UnsignedIntegerError
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impl Display for IpAddr
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impl Display for validators::prelude::validators_prelude::fmt::Error
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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 RawStr
impl Display for Status
impl Display for String
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impl Display for BooleanError
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impl Display for RegexError
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impl Display for validators::SemVerError
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impl Display for SemVerReqError
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impl Display for URLError
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impl<'_> Display for Arguments<'_>
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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,