Struct std::ffi::VaList [−][src]
#[repr(transparent)]pub struct VaList<'a, 'f> where
'f: 'a, { /* fields omitted */ }
🔬 This is a nightly-only experimental API. (c_variadic
#44930)
the c_variadic
feature has not been properly tested on all supported platforms
A wrapper for a va_list
Methods from Deref<Target = VaListImpl<'f>>
pub fn as_va_list(&'a mut self) -> VaList<'a, 'f>
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🔬 This is a nightly-only experimental API. (c_variadic
#44930)
the c_variadic
feature has not been properly tested on all supported platforms
Convert a VaListImpl
into a VaList
that is binary-compatible with C’s va_list
.
pub unsafe fn arg<T>(&mut self) -> T where
T: VaArgSafe,
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T: VaArgSafe,
🔬 This is a nightly-only experimental API. (c_variadic
#44930)
the c_variadic
feature has not been properly tested on all supported platforms
Advance to the next arg.
pub unsafe fn with_copy<F, R>(&self, f: F) -> R where
F: for<'copy> FnOnce(VaList<'copy, 'f>) -> R,
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F: for<'copy> FnOnce(VaList<'copy, 'f>) -> R,
🔬 This is a nightly-only experimental API. (c_variadic
#44930)
the c_variadic
feature has not been properly tested on all supported platforms
Copies the va_list
at the current location.
Trait Implementations
impl<'a, 'f> Deref for VaList<'a, 'f> where
'f: 'a,
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impl<'a, 'f> Deref for VaList<'a, 'f> where
'f: 'a,
[src]type Target = VaListImpl<'f>
The resulting type after dereferencing.
pub fn deref(&self) -> &VaListImpl<'f>
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Auto Trait Implementations
impl<'a, 'f> RefUnwindSafe for VaList<'a, 'f>
impl<'a, 'f> !Send for VaList<'a, 'f>
impl<'a, 'f> !Sync for VaList<'a, 'f>
impl<'a, 'f> Unpin for VaList<'a, 'f> where
'f: 'a,
'f: 'a,
impl<'a, 'f> !UnwindSafe for VaList<'a, 'f>
Blanket Implementations
impl<T> Borrow<T> for T where
T: ?Sized,
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impl<T> Borrow<T> for T where
T: ?Sized,
[src]pub fn borrow(&self) -> &TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized> Read for &mut Rimpl<W: Write + ?Sized> Write for &mut W
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Notable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized> Read for &mut Rimpl<W: Write + ?Sized> Write for &mut W
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized> Read for &mut Rimpl<W: Write + ?Sized> Write for &mut W
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Notable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Future + Unpin + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized> Read for &mut Rimpl<W: Write + ?Sized> Write for &mut W