Type Alias retro_perf_get_counter_t 

pub type retro_perf_get_counter_t = Option<unsafe extern "C" fn() -> retro_perf_tick_t>;

A simple counter. Usually nanoseconds, but can also be CPU cycles. Can be used directly if desired (when creating a more sophisticated performance counter system).

Aliased Type

pub enum retro_perf_get_counter_t {
    None,
    Some(unsafe extern "C" fn() -> u64),
}

Variants

None

No value.

Some(unsafe extern "C" fn() -> u64)

Some value of type T.