Type Alias AppSceneOnEnterCallback 

pub type AppSceneOnEnterCallback = Option<unsafe extern "C" fn(context: *mut c_void)>;

Prototype for Scene on_enter handler

Aliased Type

pub enum AppSceneOnEnterCallback {
    None,
    Some(unsafe extern "C" fn(*mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void))

Some value of type T.