# Trait collections::fmt::Debug 1.0.0 [−] [src]

    #[lang = "debug_trait"]
    pub trait Debug {
        fn fmt(&self, f: &mut Formatter) -> Result<(), Error>;
    }

Format trait for the `?` character.

`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 `)`.

# Examples

Deriving an implementation:

    #[derive(Debug)]
    struct Point {
        x: i32,
        y: i32,
    }

    let origin = Point { x: 0, y: 0 };

    println!("The origin is: {:?}", origin);

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 {
            write!(f, "Point {{ x: {}, y: {} }}", self.x, self.y)
        }
    }

    let origin = Point { x: 0, y: 0 };

    println!("The origin is: {:?}", origin);

This outputs:

    The origin is: Point { x: 0, y: 0 }

There are a number of `debug_*` methods on `Formatter` 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 };

    println!("The origin is: {:#?}", origin);

This outputs:

    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.

## Implementors

- `impl<'a, T> Debug for collections::binary_heap::Drain<'a, T> where
  T: 'a + Debug,`
- `impl<K, V> Debug for BTreeMap<K, V> where
  K: Debug,
  V: Debug,`
- `impl<'a, T> Debug for collections::vec_deque::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for BackPlace<'a, T> where
  T: 'a + Debug,`
- `impl<T> Debug for LinkedList<T> where
  T: Debug,`
- `impl Debug for Heap`
- `impl Debug for Excess`
- `impl<T> Debug for collections::btree_set::IntoIter<T> where
  T: Debug,`
- `impl Debug for CannotReallocInPlace`
- `impl<T> Debug for collections::binary_heap::IntoIter<T> where
  T: Debug,`
- `impl<T> Debug for collections::linked_list::IntoIter<T> where
  T: Debug,`
- `impl<'a, T> Debug for PeekMut<'a, T> where
  T: Ord + Debug,`
- `impl<K, V> Debug for collections::btree_map::IntoIter<K, V> where
  K: Debug,
  V: Debug,`
- `impl<T> Debug for alloc::arc::Weak<T> where
  T: Debug + ?Sized,`
- `impl Debug for Layout`
- `impl<'a, T> Debug for Union<'a, T> where
  T: 'a + Debug,`
- `impl<'a, K, V> Debug for OccupiedEntry<'a, K, V> where
  K: 'a + Ord + Debug,
  V: 'a + Debug,`
- `impl<T> Debug for Vec<T> where
  T: Debug,`
- `impl<'a, T> Debug for collections::linked_list::IterMut<'a, T> where
  T: 'a + Debug,`
- `impl<'a, K, V> Debug for ValuesMut<'a, K, V> where
  K: 'a + Debug,
  V: 'a + Debug,`
- `impl<T> Debug for collections::vec_deque::IntoIter<T> where
  T: Debug,`
- `impl<'a, K, V> Debug for RangeMut<'a, K, V> where
  K: 'a + Debug,
  V: 'a + Debug,`
- `impl<'a, T> Debug for collections::vec_deque::PlaceBack<'a, T> where
  T: 'a + Debug,`
- `impl Debug for FromUtf16Error`
- `impl<'a, T> Debug for Difference<'a, T> where
  T: 'a + Debug,`
- `impl<T> Debug for VecDeque<T> where
  T: Debug,`
- `impl<'a, K, V> Debug for Keys<'a, K, V> where
  K: 'a + Debug,
  V: 'a,`
- `impl<T> Debug for Arc<T> where
  T: Debug + ?Sized,`
- `impl<'a, T> Debug for collections::vec_deque::Drain<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for PlaceFront<'a, T> where
  T: 'a + Debug,`
- `impl Debug for AllocErr`
- `impl<'a, T> Debug for collections::vec_deque::IterMut<'a, T> where
  T: 'a + Debug,`
- `impl<'a, K, V> Debug for collections::btree_map::Iter<'a, K, V> where
  K: 'a + Debug,
  V: 'a + Debug,`
- `impl<'a, T> Debug for SymmetricDifference<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for Intersection<'a, T> where
  T: 'a + Debug,`
- `impl<T> Debug for alloc::rc::Weak<T> where
  T: Debug + ?Sized,`
- `impl<'a, T> Debug for collections::vec::Drain<'a, T> where
  T: 'a + Debug,`
- `impl Debug for FromUtf8Error`
- `impl<'a, T> Debug for collections::vec::PlaceBack<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for FrontPlace<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for collections::btree_set::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for collections::linked_list::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<'a, 'b> Debug for collections::string::Splice<'a, 'b>`
- `impl<'a, I> Debug for collections::vec::Splice<'a, I> where
  I: 'a + Iterator + Debug,
  <I as Iterator>::Item: Debug,`
- `impl Debug for String`
- `impl<'a> Debug for collections::string::Drain<'a>`
- `impl<T> Debug for Bound<T> where
  T: Debug,`
- `impl<'a, B> Debug for Cow<'a, B> where
  B: Debug + ToOwned + ?Sized,
  <B as ToOwned>::Owned: Debug,`
- `impl<T> Debug for BTreeSet<T> where
  T: Debug,`
- `impl<'a, T> Debug for collections::btree_set::Range<'a, T> where
  T: 'a + Debug,`
- `impl<'a, T> Debug for BinaryHeapPlace<'a, T> where
  T: Ord + Clone + Debug,`
- `impl<'a> Debug for EncodeUtf16<'a>`
- `impl<T> Debug for Box<T> where
  T: Debug + ?Sized,`
- `impl<'a, T> Debug for collections::binary_heap::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<'a, K, V> Debug for VacantEntry<'a, K, V> where
  K: 'a + Ord + Debug,
  V: 'a,`
- `impl<'a, K, V> Debug for Values<'a, K, V> where
  K: 'a,
  V: 'a + Debug,`
- `impl<'a, K, V> Debug for Entry<'a, K, V> where
  K: 'a + Ord + Debug,
  V: 'a + Debug,`
- `impl Debug for ParseError`
- `impl<T> Debug for Rc<T> where
  T: Debug + ?Sized,`
- `impl<'a, K, V> Debug for collections::btree_map::Range<'a, K, V> where
  K: 'a + Debug,
  V: 'a + Debug,`
- `impl<T> Debug for collections::vec::IntoIter<T> where
  T: Debug,`
- `impl<T> Debug for BinaryHeap<T> where
  T: Ord + Debug,`
- `impl<'a, K, V> Debug for collections::btree_map::IterMut<'a, K, V> where
  K: 'a + Debug,
  V: 'a + Debug,`
- `impl<'a, P> Debug for MatchIndices<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<T> Debug for [T; 28] where
  T: Debug,`
- `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 extern "C" fn(A, B, C, D, E, ...) -> 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 Debug for InvalidSequence`
- `impl<T> Debug for [T; 7] where
  T: Debug,`
- `impl Debug for i16`
- `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 Debug for AtomicU32`
- `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<'a, T, P> Debug for collections::slice::SplitN<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl Debug for SearchStep`
- `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, 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> Debug for fn(A, B) -> Ret`
- `impl<T, E> Debug for Result<T, E> where
  E: Debug,
  T: Debug,`
- `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> Debug for fn(A, B, C, D, E) -> Ret`
- `impl<T> Debug for [T; 20] where
  T: Debug,`
- `impl<Ret, A, B, C, D, E, F> Debug for extern "C" fn(A, B, C, D, E, F, ...) -> Ret`
- `impl<Ret> Debug for unsafe fn() -> Ret`
- `impl<Ret, A, B, C, D> Debug for extern "C" fn(A, B, C, D) -> 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<'a, T> Debug for Windows<'a, T> where
  T: 'a + Debug,`
- `impl<Ret, A, B> Debug for unsafe extern "C" fn(A, B) -> Ret`
- `impl Debug for BorrowMutError`
- `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<T> Debug for Option<T> where
  T: Debug,`
- `impl<Ret, A, B, C, D, E> Debug for unsafe fn(A, B, C, D, E) -> Ret`
- `impl<I, U, F> Debug for FlatMap<I, U, F> where
  I: Debug,
  U: IntoIterator,
  <U as IntoIterator>::IntoIter: Debug,`
- `impl<'a, 'b> Debug for CharSliceSearcher<'a, 'b>`
- `impl<T> Debug for [T; 13] where
  T: Debug,`
- `impl<Ret, A, B, C> Debug for extern "C" fn(A, B, C, ...) -> Ret`
- `impl<'a, 'b> Debug for StrSearcher<'a, 'b>`
- `impl<T5, T6, T7, T8, T9, T10, T11> Debug for (T5, T6, T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl Debug for AtomicU64`
- `impl<T> Debug for [T; 30] where
  T: Debug,`
- `impl<A> Debug for Repeat<A> where
  A: Debug,`
- `impl Debug for ParseFloatError`
- `impl<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T2: Debug,
  T3: Debug,
  T4: Debug,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl<Ret, A, B, C, D, E, F> Debug for unsafe extern "C" fn(A, B, C, D, E, F, ...) -> Ret`
- `impl<T> Debug for [T; 31] where
  T: Debug,`
- `impl<Ret, A, B, C, D> Debug for extern "C" fn(A, B, C, D, ...) -> Ret`
- `impl<I> Debug for Peekable<I> where
  I: Iterator + Debug,
  <I as Iterator>::Item: Debug,`
- `impl Debug for AtomicI64`
- `impl Debug for CharTryFromError`
- `impl Debug for EscapeDefault`
- `impl<'a> Debug for Chars<'a>`
- `impl<T> Debug for [T; 0] where
  T: Debug,`
- `impl<'a, T, P> Debug for collections::slice::RSplit<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl Debug for ()`
- `impl<Ret, A> Debug for fn(A) -> Ret`
- `impl<T> Debug for [T; 25] where
  T: Debug,`
- `impl<Idx> Debug for RangeToInclusive<Idx> where
  Idx: Debug,`
- `impl<'a, T, P> Debug for SplitMut<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl<'a, T> Debug for collections::slice::IterMut<'a, T> where
  T: 'a + Debug,`
- `impl<'b, T> Debug for Ref<'b, T> where
  T: Debug + ?Sized,`
- `impl<'a, P> Debug for collections::str::Split<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl Debug for TryFromIntError`
- `impl Debug for isize`
- `impl<Ret, A> Debug for unsafe extern "C" fn(A, ...) -> Ret`
- `impl<Ret> Debug for unsafe extern "C" fn() -> Ret`
- `impl<Ret, A, B, C, D, E, F> Debug for extern "C" fn(A, B, C, D, E, F) -> Ret`
- `impl<'a> Debug for CharIndices<'a>`
- `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<I> Debug for Cycle<I> where
  I: Debug,`
- `impl<T> Debug for UnsafeCell<T> where
  T: Debug + ?Sized,`
- `impl<T> Debug for [T; 29] where
  T: Debug,`
- `impl<T> Debug for [T; 6] where
  T: Debug,`
- `impl<Ret, A, B, C, D> Debug for fn(A, B, C, D) -> Ret`
- `impl<I, F> Debug for Map<I, F> where
  I: Debug,`
- `impl<I> Debug for Enumerate<I> where
  I: Debug,`
- `impl<Ret, A> Debug for unsafe fn(A) -> Ret`
- `impl<T> Debug for Once<T> where
  T: Debug,`
- `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<'a, T> Debug for Chunks<'a, T> where
  T: 'a + Debug,`
- `impl<I> Debug for Skip<I> where
  I: Debug,`
- `impl Debug for ParseBoolError`
- `impl<T> Debug for [T; 10] where
  T: Debug,`
- `impl<Ret, A, B, C, D, E> Debug for unsafe extern "C" fn(A, B, C, D, E, ...) -> Ret`
- `impl<'a, P> Debug for collections::str::RSplit<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<T> Debug for [T; 12] where
  T: Debug,`
- `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<T> Debug for [T; 2] where
  T: Debug,`
- `impl Debug for TypeId`
- `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> Debug for unsafe extern "C" fn(A) -> Ret`
- `impl<'a, A> Debug for core::option::Iter<'a, A> where
  A: 'a + Debug,`
- `impl Debug for AtomicU16`
- `impl<T> Debug for [T; 16] where
  T: Debug,`
- `impl<'a, T> Debug for collections::slice::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<Idx> Debug for RangeFrom<Idx> where
  Idx: Debug,`
- `impl Debug for AtomicI32`
- `impl<I> Debug for Cloned<I> where
  I: Debug,`
- `impl<I, F> Debug for FilterMap<I, F> where
  I: Debug,`
- `impl<T7, T8, T9, T10, T11> Debug for (T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl<'a, T, P> Debug for SplitNMut<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl<Ret, A, B, C> Debug for fn(A, B, C) -> Ret`
- `impl<'a, P> Debug for RMatchIndices<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl Debug for Utf8Error`
- `impl<Idx> Debug for RangeInclusive<Idx> where
  Idx: Debug,`
- `impl Debug for AtomicI16`
- `impl<T> Debug for [T; 4] where
  T: Debug,`
- `impl Debug for i8`
- `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,
  T10: Debug,
  T11: Debug + ?Sized,
  T2: Debug,
  T3: Debug,
  T4: Debug,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `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 Debug for f64`
- `impl<T9, T10, T11> Debug for (T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T9: Debug,`
- `impl Debug for i32`
- `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<I, P> Debug for SkipWhile<I, P> where
  I: Debug,`
- `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<Idx> Debug for core::ops::range::Range<Idx> where
  Idx: Debug,`
- `impl Debug for AtomicU8`
- `impl<T> Debug for [T; 21] where
  T: Debug,`
- `impl<A, B> Debug for Chain<A, B> where
  A: Debug,
  B: Debug,`
- `impl<H> Debug for BuildHasherDefault<H>`
- `impl<'a, P> Debug for collections::str::SplitN<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<T> Debug for ManuallyDrop<T> where
  T: Debug,`
- `impl Debug for Any + 'static`
- `impl Debug for bool`
- `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<'a, T, P> Debug for RSplitMut<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl Debug for i64`
- `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> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret`
- `impl Debug for core::cmp::Ordering`
- `impl Debug for SipHasher`
- `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<'a, T> Debug for &'a T where
  T: Debug + ?Sized,`
- `impl Debug for Error`
- `impl<I> Debug for DecodeUtf8<I> where
  I: Iterator<Item = u8> + Debug,`
- `impl<'a, T, P> Debug for RSplitNMut<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl Debug for EscapeDebug`
- `impl<T> Debug for [T; 19] where
  T: Debug,`
- `impl<Ret, A, B, C, D, E, F, G> Debug for extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret`
- `impl<'a, P> Debug for Matches<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<T> Debug for Rev<T> where
  T: Debug,`
- `impl<Ret, A, B, C, D, E> Debug for unsafe extern "C" fn(A, B, C, D, E) -> Ret`
- `impl<T> Debug for [T; 15] where
  T: Debug,`
- `impl<'a> Debug for Lines<'a>`
- `impl<T> Debug for Empty<T>`
- `impl<'a, T, P> Debug for collections::slice::Split<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl<'a, T, P> Debug for collections::slice::RSplitN<'a, T, P> where
  P: FnMut(&T) -> bool,
  T: 'a + Debug,`
- `impl Debug for u64`
- `impl<T> Debug for Discriminant<T>`
- `impl<T> Debug for PhantomData<T> where
  T: ?Sized,`
- `impl<T> Debug for [T; 24] where
  T: Debug,`
- `impl Debug for Alignment`
- `impl Debug for core::sync::atomic::Ordering`
- `impl<I> Debug for StepBy<I> where
  I: Debug,`
- `impl<T6, T7, T8, T9, T10, T11> Debug for (T6, T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl<Ret> Debug for fn() -> Ret`
- `impl<Ret> Debug for extern "C" fn() -> Ret`
- `impl<Ret, A, B, C, D, E> Debug for extern "C" fn(A, B, C, D, E) -> Ret`
- `impl<T> Debug for [T; 32] where
  T: Debug,`
- `impl<Ret, A, B, C, D, E, F> Debug for unsafe fn(A, B, C, D, E, F) -> Ret`
- `impl<I, P> Debug for TakeWhile<I, P> where
  I: Debug,`
- `impl<T> Debug for *const T where
  T: ?Sized,`
- `impl<A> Debug for core::option::IntoIter<A> where
  A: Debug,`
- `impl<T> Debug for [T; 26] where
  T: Debug,`
- `impl Debug for SipHasher24`
- `impl Debug for BorrowError`
- `impl<T> Debug for NonZero<T> where
  T: Zeroable + Debug,`
- `impl<'a> Debug for Arguments<'a>`
- `impl<T> Debug for [T; 17] where
  T: Debug,`
- `impl<T> Debug for [T; 1] where
  T: Debug,`
- `impl<'a> Debug for LinesAny<'a>`
- `impl<T> Debug for RefCell<T> where
  T: Debug + ?Sized,`
- `impl Debug for f32`
- `impl<I, F> Debug for Inspect<I, F> where
  I: Debug,`
- `impl<'a> Debug for Bytes<'a>`
- `impl<'a> Debug for CharSearcher<'a>`
- `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, 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> Debug for extern "C" fn(A, B, ...) -> 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<I> Debug for Fuse<I> where
  I: Debug,`
- `impl<'a, T> Debug for &'a mut T where
  T: Debug + ?Sized,`
- `impl Debug for AtomicIsize`
- `impl<T> Debug for core::result::IntoIter<T> where
  T: Debug,`
- `impl<A, B> Debug for Zip<A, B> where
  A: Debug,
  B: Debug,`
- `impl<'a, A> Debug for core::option::IterMut<'a, A> where
  A: 'a + Debug,`
- `impl Debug for AtomicBool`
- `impl<I, St, F> Debug for Scan<I, St, F> where
  I: Debug,
  St: Debug,`
- `impl<T11> Debug for (T11,) where
  T11: Debug + ?Sized,`
- `impl<Ret, A, B, C> Debug for extern "C" fn(A, B, C) -> Ret`
- `impl<Ret, A, B, C, D> Debug for unsafe extern "C" fn(A, B, C, D) -> Ret`
- `impl Debug for Any + 'static + Send`
- `impl<Ret, A, B, C, D, E, F> Debug for fn(A, B, C, D, E, F) -> Ret`
- `impl<Ret, A, B, C> Debug for unsafe fn(A, B, C) -> Ret`
- `impl<T> Debug for Wrapping<T> where
  T: Debug,`
- `impl<Ret, A> Debug for extern "C" fn(A) -> 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<T> Debug for AtomicPtr<T>`
- `impl Debug for usize`
- `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,
  T10: Debug,
  T11: Debug + ?Sized,
  T2: Debug,
  T3: Debug,
  T4: Debug,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl Debug for str`
- `impl Debug for u16`
- `impl<'a, F> Debug for CharPredicateSearcher<'a, F> where
  F: FnMut(char) -> bool,`
- `impl<Ret, A, B, C, D, E, F, G> Debug for extern "C" fn(A, B, C, D, E, F, G) -> Ret`
- `impl<T10, T11> Debug for (T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,`
- `impl<'a, P> Debug for RSplitTerminator<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<Ret, A, B, C> Debug for unsafe extern "C" fn(A, B, C, ...) -> Ret`
- `impl<T> Debug for Cell<T> where
  T: Copy + Debug,`
- `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<T> Debug for *mut T where
  T: ?Sized,`
- `impl<T> Debug for [T; 3] where
  T: Debug,`
- `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 extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret`
- `impl<T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T4, T5, T6, T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T4: Debug,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl<'a, P> Debug for RMatches<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `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, H, I, J, K> Debug for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret`
- `impl<'a, T> Debug for core::result::Iter<'a, T> where
  T: 'a + Debug,`
- `impl<Ret, A, B, C, D> Debug for unsafe fn(A, B, C, D) -> 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<T> Debug for [T; 8] where
  T: Debug,`
- `impl<T> Debug for [T; 18] where
  T: Debug,`
- `impl<T> Debug for [T; 27] where
  T: Debug,`
- `impl<Ret, A, B, C> Debug for unsafe extern "C" fn(A, B, C) -> Ret`
- `impl Debug for u8`
- `impl<I, P> Debug for Filter<I, P> where
  I: Debug,`
- `impl<T> Debug for [T; 22] where
  T: Debug,`
- `impl Debug for !`
- `impl<T> Debug for [T; 9] where
  T: Debug,`
- `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 Debug for FpCategory`
- `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 extern "C" fn(A, B) -> 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, 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> Debug for unsafe extern "C" fn(A, B, C, D, E, F, G, H) -> Ret`
- `impl<'a, T> Debug for core::result::IterMut<'a, T> where
  T: 'a + Debug,`
- `impl Debug for RangeFull`
- `impl Debug for ParseIntError`
- `impl<T8, T9, T10, T11> Debug for (T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T8: Debug,
  T9: Debug,`
- `impl Debug for SipHasher13`
- `impl<T> Debug for [T] where
  T: Debug,`
- `impl<T> Debug for [T; 5] where
  T: Debug,`
- `impl<T> Debug for [T; 11] where
  T: Debug,`
- `impl Debug for u32`
- `impl Debug for EscapeUnicode`
- `impl<I> Debug for Take<I> where
  I: Debug,`
- `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<Idx> Debug for RangeTo<Idx> where
  Idx: Debug,`
- `impl Debug for ParseCharError`
- `impl Debug for AtomicUsize`
- `impl Debug for char`
- `impl<'a, T> Debug for ChunksMut<'a, T> where
  T: 'a + Debug,`
- `impl<'b, T> Debug for RefMut<'b, T> where
  T: Debug + ?Sized,`
- `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> Debug for extern "C" fn(A, ...) -> Ret`
- `impl<'a, P> Debug for collections::str::RSplitN<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl<T> Debug for [T; 23] where
  T: Debug,`
- `impl<'a, P> Debug for SplitTerminator<'a, P> where
  P: Pattern<'a>,
  <P as Pattern<'a>>::Searcher: Debug,`
- `impl Debug for AtomicI8`
- `impl Debug for i128`
- `impl<T> Debug for [T; 14] where
  T: Debug,`
- `impl<T> Debug for Reverse<T> where
  T: Debug,`
- `impl Debug for u128`
- `impl<T3, T4, T5, T6, T7, T8, T9, T10, T11> Debug for (T3, T4, T5, T6, T7, T8, T9, T10, T11) where
  T10: Debug,
  T11: Debug + ?Sized,
  T3: Debug,
  T4: Debug,
  T5: Debug,
  T6: Debug,
  T7: Debug,
  T8: Debug,
  T9: Debug,`
- `impl Debug for Utf8Lossy`
- `impl Debug for DecodeUtf16Error`
- `impl<'a> Debug for Utf8LossyChunk<'a>`

# Help

## Keyboard Shortcuts

?
  Show this help dialog
S
  Focus the search field
⇤
  Move up in search results
⇥
  Move down in search results
⏎
  Go to active search result
+
  Collapse/expand all sections

## Search Tricks

Prefix searches with a type followed by a colon (e.g. `fn:`) to restrict the search to a given type.

Accepted types are: `fn`, `mod`, `struct`, `enum`, `trait`, `type`, `macro`, and `const`.

Search functions by type signature (e.g. `vec -> usize` or `* -> vec`)