Type Alias rl_hook_func_t 

pub type rl_hook_func_t = Option<unsafe extern "C" fn() -> c_int>;

Aliased Type

pub enum rl_hook_func_t {
    None,
    Some(unsafe extern "C" fn() -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn() -> i32)

Some value of type T.