Type Alias HasPropertyOp 

pub type HasPropertyOp = Option<unsafe extern "C" fn(*mut JSContext, Handle<*mut JSObject>, Handle<PropertyKey>, *mut bool) -> bool>;

Aliased Type

pub enum HasPropertyOp {
    None,
    Some(unsafe extern "C" fn(*mut JSContext, Handle<*mut JSObject>, Handle<PropertyKey>, *mut bool) -> bool),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut JSContext, Handle<*mut JSObject>, Handle<PropertyKey>, *mut bool) -> bool)

Some value of type T.