Function il2_iltags::tags::tag_id_downcast_mut [−][src]
pub fn tag_id_downcast_mut<T: ILTag + Any>(
tag_id: u64,
tag: &mut dyn ILTag
) -> Result<&mut T>
Expand description
Downcasts a ILTag to its concrete type as a mutable reference. It fails
if the tag id or the concrete type does not match.
Arguments:
tag_id: The expected tag id;
tag: The tag to be downcast;
Returns: An option with a reference to the concrete type or None if the conversion is not possible.