Type Alias Fl_Callback

pub type Fl_Callback = Option<unsafe extern "C" fn(arg1: *mut Fl_Widget, arg2: *mut c_void)>;

Aliased Type

enum Fl_Callback {
    None,
    Some(unsafe extern "C" fn(_: *mut Fl_Widget, _: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut Fl_Widget, _: *mut c_void))

Some value of type T.