union #shared_nil
This adds a feature to `union` which requires all the variants to have a `nil` value and on assign to the union, checks whether that value is `nil` or not. If the value is `nil`, the union will be `nil` (thus sharing the `nil` value)
js_wasm32
ODIN_OS
ODIN_ARCH
_start
-disallow-rtti
objc_allocateClassPair
intrinsics.objc_register_class
procs_windows_amd64.asm
-no-crt
386
i386
ODIN_ENDIAN
ODIN_ENUM_STRING