pub type HCS_EVENT_CALLBACK = Option<unsafe extern "system" fn(event: *const HCS_EVENT, context: *const c_void)>;

Aliased Type§

enum HCS_EVENT_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const HCS_EVENT, _: *const c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const HCS_EVENT, _: *const c_void))

Some value of type T.