Type Alias XmtpFnMessageDeletionCallback 

pub type XmtpFnMessageDeletionCallback = Option<unsafe extern "C" fn(message_id: *const c_char, context: *mut c_void)>;

Callback for message deletion stream events. message_id is a borrowed hex string — valid only during the callback.

Aliased Type

pub enum XmtpFnMessageDeletionCallback {
    None,
    Some(unsafe extern "C" fn(*const i8, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const i8, *mut c_void))

Some value of type T.