pub type HasPropertyOp = Option<unsafe extern "C" fn(_: *mut JSContext, _: Handle<*mut JSObject>, _: Handle<PropertyKey>, _: *mut bool) -> bool>;
Aliased Type§
enum HasPropertyOp {
None,
Some(unsafe extern "C" fn(_: *mut JSContext, _: Handle<*mut JSObject>, _: Handle<PropertyKey>, _: *mut bool) -> bool),
}