Struct core_foundation_sys::filedescriptor::CFFileDescriptorContext

#[repr(C)]pub struct CFFileDescriptorContext {
    pub version: CFIndex,
    pub info: *mut c_void,
    pub retain: Option<extern "C" fn(info: *const c_void) -> *const c_void>,
    pub release: Option<extern "C" fn(info: *const c_void)>,
    pub copyDescription: Option<extern "C" fn(info: *const c_void) -> CFStringRef>,
}

Fields§

§version: CFIndex§info: *mut c_void§retain: Option<extern "C" fn(info: *const c_void) -> *const c_void>§release: Option<extern "C" fn(info: *const c_void)>§copyDescription: Option<extern "C" fn(info: *const c_void) -> CFStringRef>

Trait Implementations§

impl Clone for CFFileDescriptorContext

fn clone(&self) -> CFFileDescriptorContext

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

impl Debug for CFFileDescriptorContext

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

Formats the value using the given formatter. Read more

impl Copy for CFFileDescriptorContext

Auto Trait Implementations§

impl Freeze for CFFileDescriptorContext

impl RefUnwindSafe for CFFileDescriptorContext

impl !Send for CFFileDescriptorContext

impl !Sync for CFFileDescriptorContext

impl Unpin for CFFileDescriptorContext

impl UnwindSafe for CFFileDescriptorContext

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T> CloneToUninit for T
where T: Copy,

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

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

Performs the conversion.