Type Alias dpiSubscrCallback

pub type dpiSubscrCallback = Option<unsafe extern "C" fn(context: *mut c_void, message: *mut dpiSubscrMessage)>;

Aliased Type

enum dpiSubscrCallback {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void, _: *mut dpiSubscrMessage)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void, _: *mut dpiSubscrMessage))

Some value of type T.