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At [1] it was pointed out that `cfg_match!` syntax does not actually align well with match syntax, which is a possible source of confusion. The comment points out that usage is instead more similar to ecosystem `select!` macros. Rename `cfg_match!` to `cfg_select!` to match this. Tracking issue: https://github.com/rust-lang/rust/issues/115585 [1]: https://github.com/rust-lang/rust/issues/115585#issuecomment-2346307605