Implement RFC3695 Allow boolean literals as cfg predicates This PR implements https://github.com/rust-lang/rfcs/pull/3695: allow boolean literals as cfg predicates, i.e. `cfg(true)` and `cfg(false)`. r? `@nnethercote` *(or anyone with parser knowledge)* cc `@clubby789` |
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| accepted.rs | ||
| builtin_attrs.rs | ||
| lib.rs | ||
| removed.rs | ||
| tests.rs | ||
| unstable.rs | ||