pub type GstStructureMapFunc = Option<unsafe extern "C" fn(_: GQuark, _: *mut GValue, _: gpointer) -> gboolean>;

Aliased Type§

enum GstStructureMapFunc {
    None,
    Some(unsafe extern "C" fn(_: u32, _: *mut GValue, _: *mut c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: u32, _: *mut GValue, _: *mut c_void) -> i32)

Some value of type T.