BurntSushi/quickcheck

Add support for mut bindings in function arguments

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#269 opened on 2021/01/12

 (7 件のコメント) (0 件のリアクション) (0 人の担当者)Rust (161 件のフォーク)github user discovery
enhancementhelp wanted

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説明

I noticed that this works:

fn check_int_slices(v: HashSet<u64>, lens: Vec<usize>) -> bool {
    let mut lens = lens;
    ...
}

but this doesn't:

fn check_int_slices(v: HashSet<u64>, mut lens: Vec<usize>) -> bool {
    ...
}

Error:

error: no rules expected the token `lens`
   --> src/lib.rs:797:50
    |
797 |         fn check_int_slices(v: HashSet<u64>, mut lens: Vec<usize>) -> bool {
    |                                                  ^^^^ no rules expected this token in macro call

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