pub type MI_OperationCallback_WriteMessage = Option<unsafe extern "system" fn(operation: *const MI_Operation, callbackcontext: *const c_void, channel: u32, message: *const u16)>;

Aliased Type§

enum MI_OperationCallback_WriteMessage {
    None,
    Some(unsafe extern "system" fn(_: *const MI_Operation, _: *const c_void, _: u32, _: *const u16)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const MI_Operation, _: *const c_void, _: u32, _: *const u16))

Some value of type T.