rustversion 1.0.22

Conditional compilation according to rustc compiler version
Documentation 
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error: expected rustc release number like 1.85, or nightly date like 2025-02-25
 --> tests/ui/bad-bound.rs:1:22
  |
1 | #[rustversion::since(stable)]
  |                      ^^^^^^

error: expected rustc release number like 1.85, or nightly date like 2025-02-25
 --> tests/ui/bad-bound.rs:4:26
  |
4 | #[rustversion::any(since(stable))]
  |                          ^^^^^^