A crate that exports one macro (
union) to create types that are enums with checks in debug
mode, but unions in release mode. In debug mode, invalid access will panic, while in release
they will not. It is therefore unsafe. Fields should be treated as fields of unions (i.e
Copy types allowed, etc). Please test all code generated with
both release and debug modes.
An example union.
Define a union. Variants must have trailing commas. Variants must be