CBE: cleanup field access

* Implement @fieldParentPtr on a union
 * Refactor field access to ensure that it is handled consistently
 * Remove `renderTypecast` as it is now behaves the same as `renderType`
bdb1e014a0Jacob Young committed on 2/23/2023, 5:29:23 AMparentc9e02d3
3 files changedLine totals unavailable