Type Alias JackPortConnectCallback 

pub type JackPortConnectCallback = Option<unsafe extern "C" fn(u32, u32, i32, *mut c_void)>;

Aliased Type

pub enum JackPortConnectCallback {
    None,
    Some(unsafe extern "C" fn(u32, u32, i32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, u32, i32, *mut c_void))

Some value of type T.