jack_sys

Type Alias JackPropertyChangeCallback

Source 
pub type JackPropertyChangeCallback = Option<unsafe extern "C" fn(subject: jack_uuid_t, key: *const c_char, change: jack_property_change_t, arg: *mut c_void)>;

Aliased Type§

enum JackPropertyChangeCallback {
    None,
    Some(unsafe extern "C" fn(_: u64, _: *const i8, _: u32, _: *mut c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: u64, _: *const i8, _: u32, _: *mut c_void))

Some value of type T.