Josh Triplett 38df15805b cfg_select: Support unbraced expressions
When operating on expressions, `cfg_select!` can now handle expressions
without braces. (It still requires braces for other things, such as
items.)

Expand the test coverage and documentation accordingly.
2025-08-10 16:18:01 -07:00
..
2025-07-09 16:37:11 +00:00