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Fix usage of proc_macro::is_available() #303

Merged
merged 2 commits into from
Dec 5, 2021
Merged

Fix usage of proc_macro::is_available() #303

merged 2 commits into from
Dec 5, 2021

Commits on Dec 2, 2021

  1. Fix usage of proc_macro::is_available() 

    In dtolnay#300 I made a mistake with the #[cfg] causing
proc_macro::is_available() to never actually be used. I have now
double checked that it is actually used on Rust 1.57+.
    @bjorn3
    bjorn3 committed Dec 2, 2021
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  2. Fix warning when is_available() is used

    @bjorn3
    bjorn3 committed Dec 2, 2021
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