Type Alias CFArrayEqualCallBack 

pub type CFArrayEqualCallBack = Option<unsafe extern "C-unwind" fn(*const c_void, *const c_void) -> u8>;

Available on crate feature CFArray only.

Apple’s documentation

Aliased Type

pub enum CFArrayEqualCallBack {
    None,
    Some(unsafe extern "C-unwind" fn(*const c_void, *const c_void) -> u8),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(*const c_void, *const c_void) -> u8)

Some value of type T.