Function yrs::yxmlelem_observe
source ยท #[no_mangle]
pub unsafe extern "C" fn yxmlelem_observe(
xml: *const Branch,
state: *mut c_void,
cb: extern "C" fn(_: *mut c_void, _: *const YXmlEvent),
) -> *mut Subscription
Expand description
Subscribes a given callback function cb
to changes made by this YXmlElement
instance.
Callbacks are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.