pub struct FromFn<F>(/* private fields */)
where
    F: Fn(&mut Formatter<'_>) -> Result<(), Error>;🔬This is a nightly-only experimental API. (
debug_closure_helpers)Expand description
Implements fmt::Debug and fmt::Display using a function.
Created with from_fn.
Trait Implementations§
Auto Trait Implementations§
impl<F> Freeze for FromFn<F>where
    F: Freeze,
impl<F> RefUnwindSafe for FromFn<F>where
    F: RefUnwindSafe,
impl<F> Send for FromFn<F>where
    F: Send,
impl<F> Sync for FromFn<F>where
    F: Sync,
impl<F> Unpin for FromFn<F>where
    F: Unpin,
impl<F> UnwindSafe for FromFn<F>where
    F: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
    T: ?Sized,
 
impl<T> BorrowMut<T> for Twhere
    T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
 
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> Instrument for T
 
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
 
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
Source§fn in_current_span(self) -> Instrumented<Self> ⓘ
 
fn in_current_span(self) -> Instrumented<Self> ⓘ
Source§impl<T> Pointable for T
 
impl<T> Pointable for T
Source§impl<T> PolicyExt for Twhere
    T: ?Sized,
 
impl<T> PolicyExt for Twhere
    T: ?Sized,
Source§impl<T> ToStringFallible for Twhere
    T: Display,
 
impl<T> ToStringFallible for Twhere
    T: Display,
Source§fn try_to_string(&self) -> Result<String, TryReserveError>
 
fn try_to_string(&self) -> Result<String, TryReserveError>
ToString::to_string, but without panic on OOM.