Type Alias CFTreeReleaseCallBack 

pub type CFTreeReleaseCallBack = Option<unsafe extern "C" fn(info: *const c_void)>;

Apple SDK type alias CFTreeReleaseCallBack.

Aliased Type

pub enum CFTreeReleaseCallBack {
    None,
    Some(unsafe extern "C" fn(*const c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const c_void))

Some value of type T.