Struct tracing_subscriber::fmt::format::FieldFn[][src]

pub struct FieldFn<F>(_);

A FormatFields implementation that formats fields by calling a function or closure.

Trait Implementations

impl<F: Clone> Clone for FieldFn<F>[src]

impl<F: Debug> Debug for FieldFn<F>[src]

impl<'a, F> MakeVisitor<&'a mut (dyn Write + 'a)> for FieldFn<F> where
    F: Fn(&mut dyn Write, &Field, &dyn Debug) -> Result + Clone
[src]

type Visitor = FieldFnVisitor<'a, F>

The visitor type produced by this MakeVisitor.

Auto Trait Implementations

impl<F> RefUnwindSafe for FieldFn<F> where
    F: RefUnwindSafe

impl<F> Send for FieldFn<F> where
    F: Send

impl<F> Sync for FieldFn<F> where
    F: Sync

impl<F> Unpin for FieldFn<F> where
    F: Unpin

impl<F> UnwindSafe for FieldFn<F> where
    F: UnwindSafe

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> From<T> for T[src]

impl<T> Instrument for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, M> MakeExt<T> for M where
    M: MakeVisitor<T> + Sealed<MakeExtMarker<T>>, 
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.