mtls
only.Expand description
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
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
1.56.0 · sourceimpl Display for WriterPanicked
impl Display for WriterPanicked
1.7.0 · sourceimpl Display for StripPrefixError
impl Display for StripPrefixError
1.4.0 · sourceimpl Display for AddrParseError
impl Display for AddrParseError
1.20.0 · sourceimpl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
1.8.0 · sourceimpl Display for SystemTimeError
impl Display for SystemTimeError
sourceimpl<T> Display for PoisonError<T>
impl<T> Display for PoisonError<T>
sourceimpl<W> Display for IntoInnerError<W>
impl<W> Display for IntoInnerError<W>
sourceimpl<T> Display for TryLockError<T>
impl<T> Display for TryLockError<T>
sourceimpl<T> Display for TrySendError<T>
impl<T> Display for TrySendError<T>
sourceimpl Display for ExitStatusError
impl Display for ExitStatusError
1.20.0 · sourceimpl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
1.15.0 · sourceimpl Display for RecvTimeoutError
impl Display for RecvTimeoutError
sourceimpl Display for JoinPathsError
impl Display for JoinPathsError
sourceimpl Display for Ipv6Addr
impl Display for Ipv6Addr
Write an Ipv6Addr, conforming to the canonical style described by RFC 5952.
1.20.0 · sourceimpl<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized,
impl<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized,
1.26.0 · sourceimpl Display for AccessError
impl Display for AccessError
1.60.0 · sourceimpl Display for ErrorKind
impl Display for ErrorKind
sourcefn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error>
fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error>
Shows a human-readable description of the ErrorKind
.
This is similar to impl Display for Error
, but doesn’t require first converting to Error.
Examples
use std::io::ErrorKind;
assert_eq!("entity not found", ErrorKind::NotFound.to_string());
1.28.0 · sourceimpl Display for NonZeroU32
impl Display for NonZeroU32
1.34.0 · sourceimpl Display for CharTryFromError
impl Display for CharTryFromError
1.34.0 · sourceimpl Display for NonZeroI64
impl Display for NonZeroI64
1.34.0 · sourceimpl Display for NonZeroI32
impl Display for NonZeroI32
sourceimpl Display for FromBytesUntilNulError
impl Display for FromBytesUntilNulError
1.17.0 · sourceimpl Display for FromBytesWithNulError
impl Display for FromBytesWithNulError
1.13.0 · sourceimpl Display for BorrowMutError
impl Display for BorrowMutError
1.16.0 · sourceimpl Display for ToUppercase
impl Display for ToUppercase
1.28.0 · sourceimpl Display for NonZeroU128
impl Display for NonZeroU128
sourceimpl<T> Display for Saturating<T> where
T: Display,
impl<T> Display for Saturating<T> where
T: Display,
1.16.0 · sourceimpl Display for ToLowercase
impl Display for ToLowercase
1.28.0 · sourceimpl Display for NonZeroUsize
impl Display for NonZeroUsize
1.16.0 · sourceimpl Display for EscapeDefault
impl Display for EscapeDefault
1.59.0 · sourceimpl Display for TryFromCharError
impl Display for TryFromCharError
1.28.0 · sourceimpl Display for NonZeroU64
impl Display for NonZeroU64
1.20.0 · sourceimpl Display for EscapeDebug
impl Display for EscapeDebug
1.13.0 · sourceimpl Display for BorrowError
impl Display for BorrowError
1.34.0 · sourceimpl Display for NonZeroI128
impl Display for NonZeroI128
1.20.0 · sourceimpl Display for ParseCharError
impl Display for ParseCharError
sourceimpl Display for ParseFloatError
impl Display for ParseFloatError
1.34.0 · sourceimpl Display for TryFromIntError
impl Display for TryFromIntError
1.39.0 · sourceimpl Display for EscapeDefault
impl Display for EscapeDefault
1.28.0 · sourceimpl Display for NonZeroU16
impl Display for NonZeroU16
1.34.0 · sourceimpl Display for NonZeroI16
impl Display for NonZeroI16
1.34.0 · sourceimpl Display for NonZeroIsize
impl Display for NonZeroIsize
1.16.0 · sourceimpl Display for EscapeUnicode
impl Display for EscapeUnicode
1.9.0 · sourceimpl Display for DecodeUtf16Error
impl Display for DecodeUtf16Error
1.36.0 · sourceimpl Display for TryFromSliceError
impl Display for TryFromSliceError
sourceimpl Display for FromFloatSecsError
impl Display for FromFloatSecsError
sourceimpl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
1.7.0 · sourceimpl Display for IntoStringError
impl Display for IntoStringError
1.58.0 · sourceimpl Display for FromVecWithNulError
impl Display for FromVecWithNulError
impl<T, Item> Display for ReuniteError<T, Item>
impl<T, Item> Display for ReuniteError<T, Item>
sourceimpl Display for AcquireError
impl Display for AcquireError
sourceimpl<T> Display for OwnedMutexGuard<T> where
T: Display + ?Sized,
impl<T> Display for OwnedMutexGuard<T> where
T: Display + ?Sized,
sourceimpl<T> Display for OwnedRwLockWriteGuard<T> where
T: Display + ?Sized,
impl<T> Display for OwnedRwLockWriteGuard<T> where
T: Display + ?Sized,
sourceimpl<T> Display for SendTimeoutError<T>
impl<T> Display for SendTimeoutError<T>
sourceimpl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
sourceimpl Display for TryAcquireError
impl Display for TryAcquireError
sourceimpl<'a, T> Display for RwLockMappedWriteGuard<'a, T> where
T: Display + ?Sized,
impl<'a, T> Display for RwLockMappedWriteGuard<'a, T> where
T: Display + ?Sized,
sourceimpl Display for TryRecvError
impl Display for TryRecvError
sourceimpl Display for TryRecvError
impl Display for TryRecvError
sourceimpl Display for TryLockError
impl Display for TryLockError
sourceimpl<T, U> Display for OwnedRwLockMappedWriteGuard<T, U> where
U: Display + ?Sized,
T: ?Sized,
impl<T, U> Display for OwnedRwLockMappedWriteGuard<T, U> where
U: Display + ?Sized,
T: ?Sized,
sourceimpl<T> Display for TrySendError<T>
impl<T> Display for TrySendError<T>
sourceimpl<'a, T> Display for RwLockReadGuard<'a, T> where
T: Display + ?Sized,
impl<'a, T> Display for RwLockReadGuard<'a, T> where
T: Display + ?Sized,
sourceimpl Display for TryCurrentError
impl Display for TryCurrentError
sourceimpl<'a, T> Display for MappedMutexGuard<'a, T> where
T: Display + ?Sized,
impl<'a, T> Display for MappedMutexGuard<'a, T> where
T: Display + ?Sized,
sourceimpl<'a, T> Display for RwLockWriteGuard<'a, T> where
T: Display + ?Sized,
impl<'a, T> Display for RwLockWriteGuard<'a, T> where
T: Display + ?Sized,
sourceimpl Display for ParseLevelError
impl Display for ParseLevelError
sourceimpl Display for SetLoggerError
impl Display for SetLoggerError
sourceimpl Display for Source
impl Display for Source
Displays the source. Location and custom sources are displayed directly. File paths are displayed relative to the current working directory if the relative path is shorter than the complete path.
sourceimpl<'a> Display for Unexpected<'a>
impl<'a> Display for Unexpected<'a>
impl<T, S> Display for Expected<T, S> where
T: Show,
S: Show,
impl<T, S> Display for Expected<T, S> where
T: Show,
S: Show,
sourceimpl Display for DatetimeParseError
impl Display for DatetimeParseError
sourceimpl Display for InvalidVariant
impl Display for InvalidVariant
sourceimpl Display for DifferentVariant
impl Display for DifferentVariant
sourceimpl Display for Duration
impl Display for Duration
The format returned by this implementation is not stable and must not be relied upon.
For the purposes of this implementation, a day is exactly 24 hours and a minute is exactly 60 seconds.
sourceimpl Display for ConversionRange
impl Display for ConversionRange
sourceimpl Display for InvalidFormatDescription
impl Display for InvalidFormatDescription
sourceimpl Display for OffsetDateTime
impl Display for OffsetDateTime
sourceimpl Display for PrimitiveDateTime
impl Display for PrimitiveDateTime
sourceimpl Display for ComponentRange
impl Display for ComponentRange
sourceimpl Display for ParseFromDescription
impl Display for ParseFromDescription
impl<'a, R, T> Display for RwLockUpgradableReadGuard<'a, R, T> where
R: 'a + RawRwLockUpgrade,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockUpgradableReadGuard<'a, R, T> where
R: 'a + RawRwLockUpgrade,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedMutexGuard<'a, R, T> where
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedMutexGuard<'a, R, T> where
R: 'a + RawMutex,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for ReentrantMutexGuard<'a, R, G, T> where
R: 'a + RawMutex,
G: 'a + GetThreadId,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for ReentrantMutexGuard<'a, R, G, T> where
R: 'a + RawMutex,
G: 'a + GetThreadId,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for MappedRwLockWriteGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for MappedReentrantMutexGuard<'a, R, G, T> where
R: 'a + RawMutex,
G: 'a + GetThreadId,
T: 'a + Display + ?Sized,
impl<'a, R, G, T> Display for MappedReentrantMutexGuard<'a, R, G, T> where
R: 'a + RawMutex,
G: 'a + GetThreadId,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, R, T> Display for RwLockReadGuard<'a, R, T> where
R: 'a + RawRwLock,
T: 'a + Display + ?Sized,
impl<'a, K, V, S, A> Display for OccupiedError<'a, K, V, S, A> where
K: Debug,
V: Debug,
A: Allocator + Clone,
impl<'a, K, V, S, A> Display for OccupiedError<'a, K, V, S, A> where
K: Debug,
V: Debug,
A: Allocator + Clone,
sourceimpl Display for StatusCode
impl Display for StatusCode
Formats the status code, including the canonical reason.
Example
assert_eq!(format!("{}", StatusCode::OK), "200 OK");
sourceimpl Display for InvalidHeaderValue
impl Display for InvalidHeaderValue
sourceimpl Display for InvalidStatusCode
impl Display for InvalidStatusCode
sourceimpl Display for InvalidHeaderName
impl Display for InvalidHeaderName
sourceimpl<T> Display for DisplayValue<T> where
T: Display,
impl<T> Display for DisplayValue<T> where
T: Display,
sourceimpl Display for ParseLevelError
impl Display for ParseLevelError
sourceimpl Display for SetGlobalDefaultError
impl Display for SetGlobalDefaultError
sourceimpl Display for ParseLevelFilterError
impl Display for ParseLevelFilterError
sourceimpl Display for LinesCodecError
impl Display for LinesCodecError
sourceimpl<T> Display for PollSendError<T>
impl<T> Display for PollSendError<T>
sourceimpl Display for LengthDelimitedCodecError
impl Display for LengthDelimitedCodecError
sourceimpl Display for AnyDelimiterCodecError
impl Display for AnyDelimiterCodecError
impl<'a> Display for PercentEncode<'a>
impl<'a> Display for PercentEncode<'a>
sourceimpl Display for InvalidDnsNameError
impl Display for InvalidDnsNameError
sourceimpl Display for BernoulliError
impl Display for BernoulliError
impl<'a> Display for Base64Display<'a>
impl<'a> Display for Base64Display<'a>
sourceimpl Display for InvalidBufferSize
impl Display for InvalidBufferSize
sourceimpl Display for InvalidOutputSize
impl Display for InvalidOutputSize
sourceimpl Display for InvalidPrkLength
impl Display for InvalidPrkLength
sourceimpl Display for ParseFloatError
impl Display for ParseFloatError
impl<E> Display for ValueWriteError<E> where
E: RmpWriteErr,
impl<E> Display for ValueWriteError<E> where
E: RmpWriteErr,
impl<E> Display for NumValueReadError<E> where
E: RmpReadErr,
impl<E> Display for NumValueReadError<E> where
E: RmpReadErr,
impl<'a, E> Display for DecodeStringError<'a, E> where
E: RmpReadErr,
impl<'a, E> Display for DecodeStringError<'a, E> where
E: RmpReadErr,
sourceimpl Display for PathPersistError
impl Display for PathPersistError
Implementors
impl Display for LogLevel
impl Display for Sig
impl Display for rocket::error::ErrorKind
impl Display for Entity
impl Display for rocket::form::error::ErrorKind<'_>
impl Display for rocket::http::Method
impl Display for SameSite
impl Display for rocket::serde::json::Value
impl Display for rocket::serde::msgpack::Error
impl Display for Variant
impl Display for Feature
impl Display for rocket::mtls::Error
impl Display for Class
impl Display for PEMError
impl Display for X509Error
impl Display for DerConstraint
impl Display for rocket::mtls::oid::asn1_rs::Error
impl Display for SerializeError
impl Display for Infallible
impl Display for Catcher
impl Display for Ident
impl Display for SecretKey
impl Display for Shutdown
impl Display for ByteUnit
Display self
as best as possible. For perfectly custom display output,
consider using ByteUnit::repr()
.
Example
use ubyte::{ByteUnit, ToByteUnit};
assert_eq!(323.kilobytes().to_string(), "323kB");
assert_eq!(3.megabytes().to_string(), "3MB");
assert_eq!(3.mebibytes().to_string(), "3MiB");
assert_eq!((3.mebibytes() + 140.kilobytes()).to_string(), "3.13MiB");
assert_eq!((3.mebibytes() + 2.mebibytes()).to_string(), "5MiB");
assert_eq!((7.gigabytes() + 58.mebibytes() + 3.kilobytes()).to_string(), "7.06GB");
assert_eq!((7.gibibytes() + 920.mebibytes()).to_string(), "7.90GiB");
assert_eq!(7231.kilobytes().to_string(), "6.90MiB");
assert_eq!(format!("{:.0}", 7.gibibytes() + 920.mebibytes()), "8GiB");
assert_eq!(format!("{:.1}", 7.gibibytes() + 920.mebibytes()), "7.9GiB");
assert_eq!(format!("{:.2}", 7.gibibytes() + 920.mebibytes()), "7.90GiB");
assert_eq!(format!("{:.3}", 7.gibibytes() + 920.mebibytes()), "7.898GiB");
assert_eq!(format!("{:.4}", 7.gibibytes() + 920.mebibytes()), "7.8984GiB");
assert_eq!(format!("{:.4}", 7231.kilobytes()), "6.8960MiB");
assert_eq!(format!("{:.0}", 7231.kilobytes()), "7MiB");
assert_eq!(format!("{:.2}", 999.kilobytes() + 990.bytes()), "976.55KiB");
assert_eq!(format!("{:.0}", 999.kilobytes() + 990.bytes()), "1MB");
assert_eq!(format!("{:04.2}", 999.kilobytes() + 990.bytes()), "0976.55KiB");
assert_eq!(format!("{:02.0}", 999.kilobytes() + 990.bytes()), "01MB");
assert_eq!(format!("{:04.0}", 999.kilobytes() + 990.bytes()), "0001MB");
impl Display for Limits
impl Display for N
impl Display for rocket::fairing::Kind
impl Display for Key
impl Display for rocket::form::name::Name
impl Display for NameBuf<'_>
impl Display for NameView<'_>
impl Display for rocket::form::Error<'_>
impl Display for Errors<'_>
impl Display for rocket::http::hyper::Error
impl Display for rocket::http::hyper::Method
impl Display for rocket::http::hyper::uri::Authority
impl Display for InvalidUri
impl Display for InvalidUriParts
impl Display for PathAndQuery
impl Display for Scheme
impl Display for rocket::http::hyper::uri::Uri
impl Display for Accept
impl Display for ContentType
impl Display for MediaType
impl Display for RawStr
impl Display for RawStrBuf
impl Display for Status
impl Display for UncasedStr
impl Display for TryFromUriError
impl Display for Asterisk
impl Display for Request<'_>
impl Display for Route
impl Display for RouteUri<'_>
impl Display for Braced
impl Display for Hyphenated
impl Display for Simple
impl Display for Urn
impl Display for rocket::serde::uuid::Error
impl Display for Uuid
impl Display for rocket::Error
impl Display for BigInt
impl Display for BigUint
impl Display for ParseBigIntError
impl Display for Tag
impl Display for KeyUsage
impl Display for NSCertType
impl Display for ReasonCode
impl Display for ReasonFlags
impl Display for X509Version
impl Display for ASN1DateTime
impl Display for GeneralizedTime
impl Display for UtcTime
impl Display for AllocError
impl Display for LayoutError
impl Display for TryReserveError
impl Display for ParseBoolError
impl Display for Utf8Error
impl Display for FromUtf8Error
impl Display for FromUtf16Error
impl Display for String
impl Display for rocket::mtls::oid::asn1_rs::nom::lib::std::fmt::Error
impl<'_> Display for rocket::http::uri::Uri<'_>
impl<'_> Display for Header<'_>
impl<'_> Display for Uncased<'_>
impl<'_> Display for Absolute<'_>
impl<'_> Display for rocket::http::uri::Authority<'_>
impl<'_> Display for rocket::http::uri::Error<'_>
impl<'_> Display for Host<'_>
impl<'_> Display for Origin<'_>
impl<'_> Display for Path<'_>
impl<'_> Display for Query<'_>
impl<'_> Display for Reference<'_>
impl<'_> Display for rocket::mtls::Name<'_>
impl<'_> Display for Arguments<'_>
impl<'_, P> Display for &'_ (dyn UriDisplay<P> + '_) where
P: Part,
impl<'a> Display for rocket::serde::json::Error<'a>
json
only.impl<'a> Display for GeneralName<'a>
impl<'a> Display for X509Name<'a>
impl<'a> Display for Oid<'a>
impl<'a> Display for EscapeAscii<'a>
impl<'a> Display for rocket::mtls::oid::asn1_rs::nom::lib::std::str::EscapeDebug<'a>
impl<'a> Display for rocket::mtls::oid::asn1_rs::nom::lib::std::str::EscapeDefault<'a>
impl<'a> Display for rocket::mtls::oid::asn1_rs::nom::lib::std::str::EscapeUnicode<'a>
impl<'a, K, V> Display for rocket::mtls::oid::asn1_rs::nom::lib::std::collections::btree_map::OccupiedError<'a, K, V> where
K: Debug + Ord,
V: Debug,
impl<'a, K, V> Display for rocket::mtls::oid::asn1_rs::nom::lib::std::collections::hash_map::OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
impl<'c> Display for Cookie<'c>
impl<E> Display for Err<E> where
E: Debug,
impl<I> Display for rocket::mtls::oid::asn1_rs::nom::error::Error<I> where
I: Display,
The Display implementation allows the std::error::Error implementation