Trait std::fmt::Debug
pub trait Debug { fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>; }
?
formatting.
Debug
should format the output in a programmer-facing, debugging context.
Generally speaking, you should just derive
a Debug
implementation.
When used with the alternate format specifier #?
, the output is pretty-printed.
For more information on formatters, see the module-level documentation.
This trait can be used with #[derive]
if all fields implement Debug
. When derive
d for structs, it will use the name of the struct
, then {
, then a comma-separated list of each field’s name and Debug
value, then }
. For enum
s, it will use the name of the variant and, if applicable, (
, then the Debug
values of the fields, then )
.
Stability
Derived Debug
formats are not stable, and so may change with future Rust versions. Additionally, Debug
implementations of types provided by the standard library (libstd
, libcore
, liballoc
, etc.) are not stable, and may also change with future Rust versions.
Examples
Deriving an implementation:
#[derive(Debug)] struct Point { x: i32, y: i32, } let origin = Point { x: 0, y: 0 }; assert_eq!(format!("The origin is: {:?}", origin), "The origin is: Point { x: 0, y: 0 }");
Manually implementing:
use std::fmt; struct Point { x: i32, y: i32, } impl fmt::Debug for Point { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("Point") .field("x", &self.x) .field("y", &self.y) .finish() } } let origin = Point { x: 0, y: 0 }; assert_eq!(format!("The origin is: {:?}", origin), "The origin is: Point { x: 0, y: 0 }");
There are a number of helper methods on the Formatter
struct to help you with manual implementations, such as debug_struct
.
Debug
implementations using either derive
or the debug builder API on Formatter
support pretty-printing using the alternate flag: {:#?}
.
Pretty-printing with #?
:
#[derive(Debug)] struct Point { x: i32, y: i32, } let origin = Point { x: 0, y: 0 }; assert_eq!(format!("The origin is: {:#?}", origin), "The origin is: Point { x: 0, y: 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::Debug for Position { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_tuple("") .field(&self.longitude) .field(&self.latitude) .finish() } } let position = Position { longitude: 1.987, latitude: 2.983 }; assert_eq!(format!("{:?}", position), "(1.987, 2.983)"); assert_eq!(format!("{:#?}", position), "( 1.987, 2.983, )");
Implementations on Foreign Types
impl Debug for __m256
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m128bh
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for FromSecsError
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl<'a> Debug for Utf8LossyChunk<'a>
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m128i
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m128d
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for CpuidResult
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m256d
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m512bh
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for Utf8Lossy
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m512d
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m512i
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m256i
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m512
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m256bh
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl<'a> Debug for EscapeAscii<'a>
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
impl Debug for __m128
pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>
Implementors
impl Debug for BacktraceStatus
impl Debug for std::cmp::Ordering
impl Debug for TryReserveErrorKind
impl Debug for Infallible
impl Debug for VarError
impl Debug for c_void
impl Debug for ErrorKind
impl Debug for SeekFrom
impl Debug for IpAddr
impl Debug for Ipv6MulticastScope
impl Debug for Shutdown
impl Debug for std::net::SocketAddr
impl Debug for FpCategory
impl Debug for IntErrorKind
impl Debug for AncillaryError
impl Debug for SearchStep
impl Debug for std::sync::atomic::Ordering
impl Debug for RecvTimeoutError
impl Debug for TryRecvError
impl Debug for Alignment
impl Debug for bool
impl Debug for char
impl Debug for f32
impl Debug for f64
impl Debug for i8
impl Debug for i16
impl Debug for i32
impl Debug for i64
impl Debug for i128
impl Debug for isize
impl Debug for !
impl Debug for str
impl Debug for u8
impl Debug for u16
impl Debug for u32
impl Debug for u64
impl Debug for u128
impl Debug for ()
impl Debug for usize
impl Debug for AllocError
impl Debug for Global
impl Debug for Layout
impl Debug for LayoutError
impl Debug for System
impl Debug for TypeId
impl Debug for TryFromSliceError
impl Debug for std::ascii::EscapeDefault
impl Debug for Backtrace
impl Debug for BacktraceFrame
impl Debug for BorrowError
impl Debug for BorrowMutError
impl Debug for CharTryFromError
impl Debug for DecodeUtf16Error
impl Debug for std::char::EscapeDebug
impl Debug for std::char::EscapeDefault
impl Debug for std::char::EscapeUnicode
impl Debug for ParseCharError
impl Debug for ToLowercase
impl Debug for ToUppercase
impl Debug for DefaultHasher
impl Debug for RandomState
impl Debug for TryReserveError
impl Debug for Args
impl Debug for ArgsOs
impl Debug for JoinPathsError
impl Debug for SplitPaths<'_>
impl Debug for Vars
impl Debug for VarsOs
impl Debug for CStr
impl Debug for CString
impl Debug for FromBytesWithNulError
impl Debug for FromVecWithNulError
impl Debug for IntoStringError
impl Debug for NulError
impl Debug for OsStr
impl Debug for OsString
impl Debug for DirBuilder
impl Debug for DirEntry
impl Debug for File
impl Debug for FileType
impl Debug for Metadata
impl Debug for OpenOptions
impl Debug for Permissions
impl Debug for ReadDir
impl Debug for SipHasher
impl Debug for std::io::Empty
impl Debug for std::io::Error
impl Debug for Initializer
impl Debug for std::io::Repeat
impl Debug for Sink
impl Debug for Stderr
impl Debug for StderrLock<'_>
impl Debug for Stdin
impl Debug for StdinLock<'_>
impl Debug for Stdout
impl Debug for StdoutLock<'_>
impl Debug for WriterPanicked
impl Debug for PhantomPinned
impl Debug for AddrParseError
impl Debug for Ipv4Addr
impl Debug for Ipv6Addr
impl Debug for SocketAddrV4
impl Debug for SocketAddrV6
impl Debug for TcpListener
impl Debug for TcpStream
impl Debug for UdpSocket
impl Debug for NonZeroI8
impl Debug for NonZeroI16
impl Debug for NonZeroI32
impl Debug for NonZeroI64
impl Debug for NonZeroI128
impl Debug for NonZeroIsize
impl Debug for NonZeroU8
impl Debug for NonZeroU16
impl Debug for NonZeroU32
impl Debug for NonZeroU64
impl Debug for NonZeroU128
impl Debug for NonZeroUsize
impl Debug for ParseFloatError
impl Debug for ParseIntError
impl Debug for TryFromIntError
impl Debug for RangeFull
impl Debug for BorrowedFd<'_>
impl Debug for OwnedFd
impl Debug for Components<'_>
impl Debug for Display<'_>
impl Debug for std::path::Iter<'_>
impl Debug for Path
impl Debug for PathBuf
impl Debug for StripPrefixError
impl Debug for Child
impl Debug for ChildStderr
impl Debug for ChildStdin
impl Debug for ChildStdout
impl Debug for Command
impl Debug for ExitCode
impl Debug for ExitStatus
impl Debug for ExitStatusError
impl Debug for Output
impl Debug for Stdio
impl Debug for ParseBoolError
impl Debug for Utf8Error
impl Debug for FromUtf8Error
impl Debug for FromUtf16Error
impl Debug for String
impl Debug for AtomicBool
impl Debug for AtomicI8
impl Debug for AtomicI16
impl Debug for AtomicI32
impl Debug for AtomicI64
impl Debug for AtomicIsize
impl Debug for AtomicU8
impl Debug for AtomicU16
impl Debug for AtomicU32
impl Debug for AtomicU64
impl Debug for AtomicUsize
impl Debug for RecvError
impl Debug for Barrier
impl Debug for BarrierWaitResult
impl Debug for Condvar
impl Debug for std::sync::Once
impl Debug for OnceState
impl Debug for WaitTimeoutResult
impl Debug for RawWaker
impl Debug for RawWakerVTable
impl Debug for Waker
impl Debug for AccessError
impl Debug for Builder
impl Debug for Thread
impl Debug for ThreadId
impl Debug for Duration
impl Debug for Instant
impl Debug for SystemTime
impl Debug for SystemTimeError
impl Debug for std::fmt::Error
impl Debug for dyn Any + 'static
impl Debug for dyn Any + Send + 'static
impl Debug for dyn Any + Sync + Send + 'static
impl<'_> Debug for Chars<'_>
impl<'_> Debug for EncodeUtf16<'_>
impl<'_> Debug for std::string::Drain<'_>
impl<'_> Debug for Context<'_>
impl<'_> Debug for Arguments<'_>
impl<'_, K, V> Debug for std::collections::btree_map::Entry<'_, K, V> where
K: Debug + Ord,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::Iter<'_, K, V> where
K: Debug,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::IterMut<'_, K, V> where
K: Debug,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::OccupiedEntry<'_, K, V> where
K: Debug + Ord,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::OccupiedError<'_, K, V> where
K: Debug + Ord,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::Range<'_, K, V> where
K: Debug,
V: Debug,
impl<'_, K, V> Debug for std::collections::btree_map::VacantEntry<'_, K, V> where
K: Debug + Ord,
impl<'_, K, V> Debug for std::collections::btree_map::ValuesMut<'_, K, V> where
V: Debug,
impl<'_, K, V, F> Debug for std::collections::btree_map::DrainFilter<'_, K, V, F> where
F: FnMut(&K, &mut V) -> bool,
K: Debug,
V: Debug,
impl<'_, T> Debug for std::collections::btree_set::SymmetricDifference<'_, T> where
T: Debug,
impl<'_, T, A> Debug for std::collections::vec_deque::Drain<'_, T, A> where
T: Debug,
A: Allocator,
impl<'_, T, F> Debug for std::collections::btree_set::DrainFilter<'_, T, F> where
F: FnMut(&T) -> bool,
T: Debug,
impl<'_, T, F> Debug for std::collections::linked_list::DrainFilter<'_, T, F> where
F: FnMut(&mut T) -> bool,
T: Debug,
impl<'_, T, P> Debug for std::slice::RSplit<'_, T, P> where
T: Debug,
P: FnMut(&T) -> bool,
impl<'_, T, P> Debug for std::slice::RSplitN<'_, T, P> where
T: Debug,
P: FnMut(&T) -> bool,
impl<'_, T, P> Debug for std::slice::Split<'_, T, P> where
T: Debug,
P: FnMut(&T) -> bool,
impl<'_, T, P> Debug for std::slice::SplitN<'_, T, P> where
T: Debug,
P: FnMut(&T) -> bool,
impl<'a> Debug for Component<'a>
impl<'a> Debug for Prefix<'a>
impl<'a> Debug for std::error::Chain<'a>
impl<'a> Debug for IoSlice<'a>
impl<'a> Debug for IoSliceMut<'a>
impl<'a> Debug for std::net::Incoming<'a>
impl<'a> Debug for SocketAncillary<'a>
impl<'a> Debug for Location<'a>
impl<'a> Debug for PanicInfo<'a>
impl<'a> Debug for Ancestors<'a>
impl<'a> Debug for PrefixComponent<'a>
impl<'a> Debug for CommandArgs<'a>
impl<'a> Debug for CommandEnvs<'a>
impl<'a> Debug for CharSearcher<'a>
impl<'a> Debug for std::str::Bytes<'a>
impl<'a> Debug for CharIndices<'a>
impl<'a> Debug for std::str::EscapeDebug<'a>
impl<'a> Debug for std::str::EscapeDefault<'a>
impl<'a> Debug for std::str::EscapeUnicode<'a>
impl<'a> Debug for std::str::Lines<'a>
impl<'a> Debug for LinesAny<'a>
impl<'a> Debug for SplitAsciiWhitespace<'a>
impl<'a> Debug for SplitWhitespace<'a>
impl<'a, 'b> Debug for CharSliceSearcher<'a, 'b>
impl<'a, 'b> Debug for StrSearcher<'a, 'b>
impl<'a, 'f> Debug for VaList<'a, 'f> where
'f: 'a,
impl<'a, I, A> Debug for Splice<'a, I, A> where
I: 'a + Debug + Iterator,
A: 'a + Debug + Allocator,
<I as Iterator>::Item: Debug,
impl<'a, K, F> Debug for std::collections::hash_set::DrainFilter<'a, K, F> where
F: FnMut(&K) -> bool,
impl<'a, K, V, F> Debug for std::collections::hash_map::DrainFilter<'a, K, V, F> where
F: FnMut(&K, &mut V) -> bool,
impl<'a, P> Debug for MatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for Matches<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for RMatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for RMatches<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for std::str::RSplit<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for std::str::RSplitN<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for RSplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for std::str::Split<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for std::str::SplitInclusive<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for std::str::SplitN<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, P> Debug for SplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Debug,
impl<'a, T, F, A> Debug for std::vec::DrainFilter<'a, T, F, A> where
F: Debug + FnMut(&mut T) -> bool,
T: Debug,
A: Debug + Allocator,
impl<'a, T: Debug + 'a> Debug for std::sync::mpsc::Iter<'a, T>
impl<'a, T: Debug + 'a> Debug for TryIter<'a, T>
impl<'f> Debug for VaListImpl<'f>
impl<B: Debug> Debug for std::io::Lines<B>
impl<B: Debug> Debug for std::io::Split<B>
impl<F> Debug for PollFn<F>
impl<F> Debug for FromFn<F>
impl<H> Debug for BuildHasherDefault<H>
impl<I> Debug for Intersperse<I> where
I: Debug + Iterator,
<I as Iterator>::Item: Clone,
<I as Iterator>::Item: Debug,
impl<I, G> Debug for IntersperseWith<I, G> where
I: Iterator + Debug,
G: Debug,
<I as Iterator>::Item: Debug,
impl<I, U> Debug for Flatten<I> where
I: Debug + Iterator,
U: Debug + Iterator,
<I as Iterator>::Item: IntoIterator,
<<I as Iterator>::Item as IntoIterator>::IntoIter == U,
<<I as Iterator>::Item as IntoIterator>::Item == <U as Iterator>::Item,
impl<I, U, F> Debug for FlatMap<I, U, F> where
I: Debug,
U: IntoIterator,
<U as IntoIterator>::IntoIter: Debug,
impl<K, V> Debug for std::collections::btree_map::IntoIter<K, V> where
K: Debug,
V: Debug,
impl<K, V> Debug for std::collections::hash_map::Drain<'_, K, V> where
K: Debug,
V: Debug,
impl<K, V> Debug for std::collections::hash_map::IterMut<'_, K, V> where
K: Debug,
V: Debug,
impl<K, V, S> Debug for RawEntryBuilder<'_, K, V, S>
impl<K, V, S> Debug for RawEntryBuilderMut<'_, K, V, S>
impl<K, V, S> Debug for RawVacantEntryMut<'_, K, V, S>
impl<K, V: Debug> Debug for std::collections::hash_map::IntoValues<K, V>
impl<K, V: Debug> Debug for std::collections::hash_map::Values<'_, K, V>
impl<K, V: Debug> Debug for std::collections::hash_map::ValuesMut<'_, K, V>
impl<K: Debug> Debug for std::collections::hash_set::Drain<'_, K>
impl<K: Debug> Debug for std::collections::hash_set::IntoIter<K>
impl<K: Debug> Debug for std::collections::hash_set::Iter<'_, K>
impl<K: Debug, V> Debug for std::collections::hash_map::IntoKeys<K, V>
impl<K: Debug, V> Debug for std::collections::hash_map::Keys<'_, K, V>
impl<K: Debug, V> Debug for std::collections::hash_map::VacantEntry<'_, K, V>
impl<K: Debug, V: Debug> Debug for std::collections::hash_map::Entry<'_, K, V>
impl<K: Debug, V: Debug> Debug for std::collections::hash_map::IntoIter<K, V>
impl<K: Debug, V: Debug> Debug for std::collections::hash_map::Iter<'_, K, V>
impl<K: Debug, V: Debug> Debug for std::collections::hash_map::OccupiedEntry<'_, K, V>
impl<K: Debug, V: Debug> Debug for std::collections::hash_map::OccupiedError<'_, K, V>
impl<K: Debug, V: Debug, S> Debug for RawEntryMut<'_, K, V, S>
impl<K: Debug, V: Debug, S> Debug for RawOccupiedEntryMut<'_, K, V, S>
impl<R: Debug> Debug for std::io::Bytes<R>
impl<Ret> Debug for fn() -> Ret
impl<Ret> Debug for extern "C" fn() -> Ret
impl<Ret> Debug for unsafe fn() -> Ret
impl<Ret> Debug for unsafe extern "C" fn() -> Ret
impl<Ret, A> Debug for fn(A) -> Ret
impl<Ret, A> Debug for extern "C" fn(A) -> Ret
impl<Ret, A> Debug for extern "C" fn(A, ...) -> Ret
impl<Ret, A> Debug for unsafe fn(A) -> Ret
impl<Ret, A> Debug for unsafe extern "C" fn(A) -> Ret
impl<Ret, A> Debug for unsafe extern "C" fn(A, ...) -> Ret
impl<Ret, A, B> Debug for fn(A, B) -> Ret
impl<Ret, A, B> Debug for extern "C" fn(A, B) -> Ret
impl<Ret, A, B> Debug for extern "C" fn(A, B, ...) -> Ret
impl<Ret, A, B> Debug for unsafe fn(A, B) -> Ret
impl<Ret, A, B> Debug for unsafe extern "C" fn(A, B) -> Ret
impl<Ret, A, B> Debug for unsafe extern "C" fn(A, B, ...) -> Ret
impl<Ret, A, B, C> Debug for fn(A, B, C) -> Ret
impl<Ret, A, B, C> Debug for extern "C" fn(A, B, C) -> Ret
impl<Ret, A, B, C> Debug for extern "C" fn(A, B, C, ...) -> Ret
impl<Ret, A, B, C> Debug for unsafe fn(A, B, C) -> Ret
impl<Ret, A, B, C> Debug for unsafe extern "C" fn(A, B, C) -> Ret
impl<Ret, A, B, C> Debug for unsafe extern "C" fn(A, B, C, ...) -> Ret
impl<Ret, A, B, C, D> Debug for fn(A, B, C, D) -> Ret
impl<Ret, A, B, C, D> Debug for extern "C" fn(A, B, C, D) -> Ret
impl<Ret, A, B, C, D> Debug for extern "C" fn(A, B, C, D, ...) -> Ret
impl<Ret, A, B, C, D> Debug for unsafe fn(A, B, C, D) -> Ret
impl<Ret, A, B, C, D> Debug for unsafe extern "C" fn(A, B, C, D) -> Ret
impl<Ret, A, B, C, D> Debug for unsafe extern "C" fn(A, B, C, D, ...) -> Ret
impl<Ret, A, B, C, D, E> Debug for fn(A, B, C, D, E) -> Ret
impl<Ret, A, B, C, D, E> Debug for extern "C" fn(A, B, C, D, E) -> Ret
impl<Ret, A, B, C, D, E> Debug for extern "C" fn(A, B, C, D, E, ...) -> Ret
impl<Ret, A, B, C, D, E> Debug for unsafe fn(A, B, C, D, E) -> Ret
impl<Ret, A, B, C, D, E> Debug for unsafe extern "C" fn(A, B, C, D, E) -> Ret
impl<Ret, A, B, C, D, E> Debug for unsafe extern "C" fn(A, B, C, D, E, ...) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for fn(A, B, C, D, E, F) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for extern "C" fn(A, B, C, D, E, F) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for extern "C" fn(A, B, C, D, E, F, ...) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for unsafe fn(A, B, C, D, E, F) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for unsafe extern "C" fn(A, B, C, D, E, F) -> Ret
impl<Ret, A, B, C, D, E, F> Debug for unsafe extern "C" fn(A, B, C, D, E, F, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for fn(A, B, C, D, E, F, G) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for extern "C" fn(A, B, C, D, E, F, G) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for unsafe fn(A, B, C, D, E, F, G) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G) -> Ret
impl<Ret, A, B, C, D, E, F, G> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for fn(A, B, C, D, E, F, G, H) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for extern "C" fn(A, B, C, D, E, F, G, H) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for unsafe fn(A, B, C, D, E, F, G, H) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H) -> Ret
impl<Ret, A, B, C, D, E, F, G, H> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for fn(A, B, C, D, E, F, G, H, I) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for unsafe fn(A, B, C, D, E, F, G, H, I) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for fn(A, B, C, D, E, F, G, H, I, J) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for unsafe fn(A, B, C, D, E, F, G, H, I, J) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for unsafe fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for unsafe fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret
impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) where
T0: Debug,
T1: Debug,
T2: Debug,
T3: Debug,
T4: Debug,
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) where
T1: Debug,
T2: Debug,
T3: Debug,
T4: Debug,
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) where
T2: Debug,
T3: Debug,
T4: Debug,
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T3, T4, T5, T6, T7, T8, T9, T10, T11) where
T3: Debug,
T4: Debug,
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T4, T5, T6, T7, T8, T9, T10, T11) where
T4: Debug,
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T5, T6, T7, T8, T9, T10, T11> Debug for (T5, T6, T7, T8, T9, T10, T11) where
T5: Debug,
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T6, T7, T8, T9, T10, T11> Debug for (T6, T7, T8, T9, T10, T11) where
T6: Debug,
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T7, T8, T9, T10, T11> Debug for (T7, T8, T9, T10, T11) where
T7: Debug,
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T8, T9, T10, T11> Debug for (T8, T9, T10, T11) where
T8: Debug,
T9: Debug,
T10: Debug,
T11: Debug + ?Sized,
impl<T> Debug for TryLockError<T>
impl<T> Debug for TrySendError<T>
impl<T> Debug for Pending<T>
impl<T> Debug for std::iter::Empty<T>
impl<T> Debug for Discriminant<T>
impl<T> Debug for AtomicPtr<T>
impl<T> Debug for Receiver<T>
impl<T> Debug for SendError<T>
impl<T> Debug for Sender<T>
impl<T> Debug for SyncSender<T>
impl<T> Debug for PoisonError<T>
impl<T> Debug for JoinHandle<T>
impl<T> Debug for MaybeUninit<T>
impl<T, A> Debug for std::collections::vec_deque::IntoIter<T, A> where
T: Debug,
A: Allocator,
impl<T, S> Debug for std::collections::hash_set::Difference<'_, T, S> where
T: Debug + Eq + Hash,
S: BuildHasher,
impl<T, S> Debug for std::collections::hash_set::Intersection<'_, T, S> where
T: Debug + Eq + Hash,
S: BuildHasher,
impl<T, S> Debug for std::collections::hash_set::SymmetricDifference<'_, T, S> where
T: Debug + Eq + Hash,
S: BuildHasher,
impl<T, S> Debug for std::collections::hash_set::Union<'_, T, S> where
T: Debug + Eq + Hash,
S: BuildHasher,
impl<T: 'static> Debug for LocalKey<T>
impl<T: Debug> Debug for std::io::Cursor<T>
impl<T: Debug> Debug for std::io::Take<T>
impl<T: Debug> Debug for SyncOnceCell<T>
impl<T: Debug> Debug for std::sync::mpsc::IntoIter<T>
impl<T: Debug> Debug for RwLockReadGuard<'_, T>
impl<T: Debug> Debug for RwLockWriteGuard<'_, T>
impl<T: Debug, F> Debug for SyncLazy<T, F>
impl<T: Debug, U: Debug> Debug for std::io::Chain<T, U>
impl<T: ?Sized + Debug> Debug for Mutex<T>
impl<T: ?Sized + Debug> Debug for MutexGuard<'_, T>
impl<T: ?Sized + Debug> Debug for RwLock<T>
impl<W: Debug> Debug for IntoInnerError<W>
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/fmt/trait.Debug.html