Type Alias CounterPathCallBack

pub type CounterPathCallBack = Option<unsafe extern "system" fn(param0: usize) -> i32>;

Aliased Type

enum CounterPathCallBack {
    None,
    Some(unsafe extern "system" fn(_: usize) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: usize) -> i32)

Some value of type T.