Type Alias ProtobufCClosure 

pub type ProtobufCClosure = Option<unsafe extern "C" fn(*const ProtobufCMessage, *mut c_void)>;

Aliased Type

pub enum ProtobufCClosure {
    None,
    Some(unsafe extern "C" fn(*const ProtobufCMessage, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const ProtobufCMessage, *mut c_void))

Some value of type T.