[−][src]Struct std::ffi::VaList

#[lang = "va_list"]
#[repr(transparent)]
pub struct VaList<'a>(_);
🔬 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

impl<'a> VaList<'a>[src][−]

pub unsafe fn arg<T>(&mut self) -> T where
    T: VaArgSafe, [src][−]

🔬 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: FnOnce(VaList<'copy>) -> R, [src][−]

🔬 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> Debug for VaList<'a>[src][+]

Auto Trait Implementations

impl<'a> !Send for VaList<'a>

impl<'a> !Sync for VaList<'a>

Blanket Implementations

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

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

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.

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

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

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