pub type GSignalEmissionHook = Option<unsafe extern "C" fn(ihint: *mut GSignalInvocationHint, n_param_values: guint, param_values: *const GValue, user_data: gpointer) -> gboolean>;

Aliased Type§

enum GSignalEmissionHook {
    None,
    Some(unsafe extern "C" fn(_: *mut _GSignalInvocationHint, _: u32, _: *const _GValue, _: *mut c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.