pub type GCompareDataFunc = Option<unsafe extern "C" fn(a: gconstpointer, b: gconstpointer, user_data: gpointer) -> gint>;

Aliased Type§

enum GCompareDataFunc {
    None,
    Some(unsafe extern "C" fn(_: *const c_void, _: *const c_void, _: *mut c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *const c_void, _: *const c_void, _: *mut c_void) -> i32)

Some value of type T.