pub struct VaListImpl<'f> {
    gp_offset: i32,
    fp_offset: i32,
    overflow_arg_area: *mut c_void,
    reg_save_area: *mut c_void,
    _marker: PhantomData<&'f mut &'f c_void>,
}
🔬This is a nightly-only experimental API. (c_variadic #44930)
Expand description

x86_64 ABI implementation of a va_list.

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§gp_offset: i32
🔬This is a nightly-only experimental API. (c_variadic #44930)
§fp_offset: i32
🔬This is a nightly-only experimental API. (c_variadic #44930)
§overflow_arg_area: *mut c_void
🔬This is a nightly-only experimental API. (c_variadic #44930)
§reg_save_area: *mut c_void
🔬This is a nightly-only experimental API. (c_variadic #44930)
§_marker: PhantomData<&'f mut &'f c_void>
🔬This is a nightly-only experimental API. (c_variadic #44930)

Implementations§

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impl<'f> VaListImpl<'f>

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pub fn as_va_list<'a>(&'a mut self) -> VaList<'a, 'f>

🔬This is a nightly-only experimental API. (c_variadic #44930)

Convert a VaListImpl into a VaList that is binary-compatible with C’s va_list.

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impl<'f> VaListImpl<'f>

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pub unsafe fn arg<T>(&mut self) -> Twhere
    T: VaArgSafe,

🔬This is a nightly-only experimental API. (c_variadic #44930)

Advance to the next arg.

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pub unsafe fn with_copy<F, R>(&self, f: F) -> Rwhere
    F: for<'copy> FnOnce(VaList<'copy, 'f>) -> R,

🔬This is a nightly-only experimental API. (c_variadic #44930)

Copies the va_list at the current location.

Trait Implementations§

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impl<'f> Clone for VaListImpl<'f>

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fn clone(&self) -> VaListImpl<'f>

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'f> Debug for VaListImpl<'f>

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

Formats the value using the given formatter. Read more
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impl<'f> Drop for VaListImpl<'f>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<'f> RefUnwindSafe for VaListImpl<'f>

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impl<'f> !Send for VaListImpl<'f>

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impl<'f> !Sync for VaListImpl<'f>

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impl<'f> Unpin for VaListImpl<'f>

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impl<'f> !UnwindSafe for VaListImpl<'f>

Blanket Implementations§

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impl<T> Any for Twhere
    T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere
    U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere
    T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere
    U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere
    U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.