[−][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]

`fn fmt(&self, f: &mut Formatter) -> Result<(), Error>`[src]

Auto Trait Implementations

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

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

Blanket Implementations

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

`type Error = Infallible`

The type returned in the event of a conversion error.

`fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`[src]

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

`fn into(self) -> U`[src]

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

`fn from(t: T) -> T`[src]

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

`type Error = >::Error`

The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, >::Error>`[src]

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

ⓘImportant traits for &'_ mut F
Important traits for &'_ mut F
`impl<'_, F> Future for &'_ mut F where F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where I: Iterator + ?Sized, type Item = ::Item;impl<'_, R: Read + ?Sized> Read for &'_ mut Rimpl<'_, W: Write + ?Sized> Write for &'_ mut W`
`fn borrow(&self) -> &T`[src]

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

ⓘImportant traits for &'_ mut F
Important traits for &'_ mut F
`impl<'_, F> Future for &'_ mut F where F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where I: Iterator + ?Sized, type Item = ::Item;impl<'_, R: Read + ?Sized> Read for &'_ mut Rimpl<'_, W: Write + ?Sized> Write for &'_ mut W`
`fn borrow_mut(&mut self) -> &mut T`[src]

[−][src]Struct std::ffi::VaList

Methods

`impl<'a> VaList<'a>`[src]

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

`pub unsafe fn with_copy<F, R>(&self, f: F) -> R where F: FnOnce(VaList<'copy>) -> R,` [src]

Trait Implementations

`impl<'a> Debug for VaList<'a>`[src]

`fn fmt(&self, f: &mut Formatter) -> Result<(), Error>`[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`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`[src]

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

`fn into(self) -> U`[src]

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

`fn from(t: T) -> T`[src]

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

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

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`[src]

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

Important traits for &'_ mut F

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

Important traits for &'_ mut F

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

`fn type_id(&self) -> TypeId`[src]

[−][src]Struct std::ffi::VaList

Methods

impl<'a> VaList<'a>[src]

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

pub unsafe fn with_copy<F, R>(&self, f: F) -> R where F: FnOnce(VaList<'copy>) -> R, [src]

Trait Implementations

impl<'a> Debug for VaList<'a>[src]

fn fmt(&self, f: &mut Formatter) -> Result<(), Error>[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

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

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

fn into(self) -> U[src]

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

fn from(t: T) -> T[src]

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

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

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

Important traits for &'_ mut F

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

Important traits for &'_ mut F

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

fn type_id(&self) -> TypeId[src]

`impl<'a> VaList<'a>`[src]

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

`pub unsafe fn with_copy<F, R>(&self, f: F) -> R where F: FnOnce(VaList<'copy>) -> R,` [src]

`impl<'a> Debug for VaList<'a>`[src]

`fn fmt(&self, f: &mut Formatter) -> Result<(), Error>`[src]

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

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

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

`type Error = Infallible`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`[src]

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

`fn into(self) -> U`[src]

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

`fn from(t: T) -> T`[src]

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

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

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`[src]

`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]

`fn type_id(&self) -> TypeId`[src]