Trait tendermint::consensus::state::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>
[src]
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<'_, T> Display for RwLockWriteGuard<'_, T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for RecvError
[src]
impl<T> Display for TryLockError<T>
[src]
impl<'_, T> Display for RwLockReadGuard<'_, T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for FromBytesWithNulError
[src]
impl Display for SocketAddrV6
[src]
impl<W> Display for IntoInnerError<W>
[src]
impl Display for IpAddr
[src]
impl Display for SystemTimeError
[src]
impl Display for IntoStringError
[src]
impl Display for JoinPathsError
[src]
impl Display for AddrParseError
[src]
impl<T> Display for TrySendError<T>
[src]
impl Display for Ipv4Addr
[src]
impl Display for ExitStatus
[src]
impl Display for Ipv6Addr
[src]
Write an Ipv6Addr, conforming to the canonical style described by RFC 5952.
impl<'_, T> Display for MutexGuard<'_, T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for Error
[src]
impl Display for SocketAddrV4
[src]
impl Display for AccessError
[src]
impl<T> Display for PoisonError<T>
[src]
impl<'_> Display for Display<'_>
[src]
impl Display for StripPrefixError
[src]
impl Display for NulError
[src]
impl Display for FromVecWithNulError
[src]
impl Display for TryRecvError
[src]
impl Display for Backtrace
[src]
impl Display for VarError
[src]
impl<'a, K, V> Display for OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
[src]
K: Debug,
V: Debug,
impl Display for RecvTimeoutError
[src]
impl<T> Display for SendError<T>
[src]
impl Display for SocketAddr
[src]
impl<'_> Display for Location<'_>
[src]
impl Display for ToLowercase
[src]
impl Display for i8
[src]
impl Display for i128
[src]
impl Display for EscapeDebug
[src]
impl Display for NonZeroI64
[src]
impl Display for NonZeroU8
[src]
impl Display for u128
[src]
impl Display for NonZeroIsize
[src]
impl Display for BorrowMutError
[src]
impl Display for ParseIntError
[src]
impl Display for NonZeroU64
[src]
impl Display for NonZeroI128
[src]
impl Display for EscapeDefault
[src]
impl Display for i16
[src]
impl Display for isize
[src]
impl<'_, T> Display for &'_ T where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for Infallible
[src]
impl Display for str
[src]
impl Display for i64
[src]
impl Display for ParseBoolError
[src]
impl Display for ParseFloatError
[src]
impl Display for NonZeroI8
[src]
impl Display for AllocError
[src]
impl Display for NonZeroUsize
[src]
impl Display for NonZeroI16
[src]
impl Display for f32
[src]
impl<'_, T> Display for Ref<'_, T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl<'a> Display for EscapeUnicode<'a>
[src]
impl<'_, T> Display for RefMut<'_, T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for LayoutError
[src]
impl Display for Utf8Lossy
[src]
impl Display for NonZeroU32
[src]
impl<'_> Display for PanicInfo<'_>
[src]
impl Display for NonZeroU128
[src]
impl Display for u64
[src]
impl Display for bool
[src]
impl Display for EscapeDefault
[src]
impl Display for CharTryFromError
[src]
impl<'a> Display for EscapeDebug<'a>
[src]
impl Display for u16
[src]
impl<P> Display for Pin<P> where
P: Display,
[src]
P: Display,
impl Display for TryFromSliceError
[src]
impl<'_, T> Display for &'_ mut T where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for ParseCharError
[src]
impl Display for f64
[src]
impl Display for char
[src]
impl Display for BorrowError
[src]
impl Display for NonZeroU16
[src]
impl Display for EscapeUnicode
[src]
impl<T> Display for Wrapping<T> where
T: Display,
[src]
T: Display,
impl Display for Utf8Error
[src]
impl Display for u8
[src]
impl Display for !
[src]
impl Display for ToUppercase
[src]
impl<'a> Display for EscapeDefault<'a>
[src]
impl Display for i32
[src]
impl Display for u32
[src]
impl Display for usize
[src]
impl Display for TryFromIntError
[src]
impl Display for DecodeUtf16Error
[src]
impl Display for NonZeroI32
[src]
impl<T, A> Display for Box<T, A> where
A: Allocator,
T: Display + ?Sized,
[src]
A: Allocator,
T: Display + ?Sized,
impl Display for FromUtf8Error
[src]
impl Display for String
[src]
impl<'_, B> Display for Cow<'_, B> where
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
[src]
B: Display + ToOwned + ?Sized,
<B as ToOwned>::Owned: Display,
impl<'a, K, V> Display for OccupiedError<'a, K, V> where
K: Debug + Ord,
V: Debug,
[src]
K: Debug + Ord,
V: Debug,
impl Display for TryReserveError
[src]
impl<T> Display for Rc<T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl<T> Display for Arc<T> where
T: Display + ?Sized,
[src]
T: Display + ?Sized,
impl Display for FromUtf16Error
[src]
impl Display for Message
[src]
impl<Kind> Display for Error<Kind> where
Kind: Clone + Debug + Display + Into<Box<dyn Error + 'static + Sync + Send, Global>>,
[src]
Kind: Clone + Debug + Display + Into<Box<dyn Error + 'static + Sync + Send, Global>>,
impl<Kind> Display for Context<Kind> where
Kind: Clone + Debug + Display + Into<Box<dyn Error + 'static + Sync + Send, Global>>,
[src]
Kind: Clone + Debug + Display + Into<Box<dyn Error + 'static + Sync + Send, Global>>,
impl<'a> Display for SymbolName<'a>
[src]
impl<'a> Display for BytesOrWideString<'a>
[src]
impl<'a> Display for Demangle<'a>
impl<'a> Display for Unexpected<'a>
[src]
impl<'a> Display for dyn Expected + 'a
[src]
impl Display for Error
[src]
impl Display for Kind
[src]
impl Display for EncodeError
[src]
impl Display for DecodeError
[src]
impl Display for Error
[src]
impl Display for Utc
[src]
impl Display for ParseError
[src]
impl<Tz> Display for DateTime<Tz> where
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
[src]
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
impl<Tz> Display for Date<Tz> where
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
[src]
Tz: TimeZone,
<Tz as TimeZone>::Offset: Display,
impl<'a, I, B> Display for DelayedFormat<I> where
I: Iterator<Item = B> + Clone,
B: Borrow<Item<'a>>,
[src]
I: Iterator<Item = B> + Clone,
B: Borrow<Item<'a>>,
impl Display for NaiveDate
[src]
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 FixedOffset
[src]
impl Display for NaiveTime
[src]
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 RoundingError
[src]
impl Display for NaiveDateTime
[src]
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 Weekday
[src]
impl Display for SteadyTime
[src]
impl Display for ParseError
[src]
impl<'a> Display for TmFmt<'a>
[src]
impl Display for Duration
[src]
impl Display for OutOfRangeError
[src]
impl Display for ParseFloatError
[src]
impl Display for InvalidOutputSize
impl Display for ParseError
[src]
impl<S> Display for Host<S> where
S: AsRef<str>,
[src]
S: AsRef<str>,
impl Display for Url
[src]
Display the serialization of this URL.
impl Display for SyntaxViolation
[src]
impl<'a> Display for PercentEncode<'a>
impl Display for Errors
impl<I> Display for Recompositions<I> where
I: Iterator<Item = char> + Clone,
I: Iterator<Item = char> + Clone,
impl<I> Display for Replacements<I> where
I: Iterator<Item = char> + Clone,
I: Iterator<Item = char> + Clone,
impl<I> Display for Decompositions<I> where
I: Iterator<Item = char> + Clone,
I: Iterator<Item = char> + Clone,
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 Error
[src]
impl Display for Error
[src]
impl Display for Error
[src]
impl Display for BernoulliError
[src]
impl Display for WeightedError
[src]
impl Display for ReadError
[src]
impl Display for Error
[src]
impl<M> Display for BitSel<M> where
M: BitMemory,
M: BitMemory,
impl<M> Display for BitMask<M> where
M: BitMemory,
M: BitMemory,
impl<O, V> Display for BitArray<O, V> where
V: BitView,
O: BitOrder,
V: BitView,
O: BitOrder,
impl<M> Display for BitIdx<M> where
M: BitMemory,
M: BitMemory,
impl<M> Display for BitTail<M> where
M: BitMemory,
M: BitMemory,
impl<O, T> Display for BitSlice<O, T> where
T: BitStore,
O: BitOrder,
T: BitStore,
O: BitOrder,
impl<T> Display for FmtLowerExp<T> where
T: LowerExp + Display,
T: LowerExp + Display,
impl<T> Display for FmtLowerHex<T> where
T: LowerHex + Display,
T: LowerHex + Display,
impl<T> Display for FmtBinary<T> where
T: Binary + Display,
T: Binary + Display,
impl<T> Display for FmtOctal<T> where
T: Octal + Display,
T: Octal + Display,
impl<T> Display for FmtUpperExp<T> where
T: UpperExp + Display,
T: UpperExp + Display,
impl<T> Display for FmtDisplay<T> where
T: Display,
T: Display,
impl<T> Display for FmtPointer<T> where
T: Pointer + Display,
T: Pointer + Display,
impl<T> Display for FmtUpperHex<T> where
T: UpperHex + Display,
T: UpperHex + Display,
impl Display for Error
[src]
impl Display for ErrorKind
[src]
impl Display for Tag
[src]
impl Display for Error
[src]
impl Display for Length
[src]
impl Display for Error
[src]
impl Display for ObjectIdentifier
[src]
impl Display for MacError
impl Display for InvalidKeyLength
impl Display for Value
[src]
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
[src]
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}");