Type Alias slMIDIMessageCallback 

pub type slMIDIMessageCallback = Option<unsafe extern "C" fn(caller: SLMIDIMessageItf, pContext: *mut c_void, statusByte: SLuint8, length: SLuint32, pData: *const SLuint8, tick: SLuint32, track: SLuint16)>;

Aliased Type

pub enum slMIDIMessageCallback {
    None,
    Some(unsafe extern "C" fn(*const *const SLMIDIMessageItf_, *mut c_void, u8, u32, *const u8, u32, u16)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const *const SLMIDIMessageItf_, *mut c_void, u8, u32, *const u8, u32, u16))

Some value of type T.