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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2020-02-29 13:14:52 +0100 |
|---|---|---|
| committer | Matthias Krüger <matthias.krueger@famsik.de> | 2020-02-29 15:23:13 +0100 |
| commit | c9a02c2e427fa22c8a86f7818dcde17e53151c30 (patch) | |
| tree | fe98199cffe0ef210984db1d626b6280ce262553 /src/librustc_builtin_macros | |
| parent | 3f9bddc7fea3ca1d49f39f22bb937a84ed32f84e (diff) | |
| download | rust-c9a02c2e427fa22c8a86f7818dcde17e53151c30.tar.gz rust-c9a02c2e427fa22c8a86f7818dcde17e53151c30.zip | |
use .copied() instead of .map(|x| *x) on iterators
Diffstat (limited to 'src/librustc_builtin_macros')
| -rw-r--r-- | src/librustc_builtin_macros/format.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_builtin_macros/format.rs b/src/librustc_builtin_macros/format.rs index 0684662b2bf..9092caef60a 100644 --- a/src/librustc_builtin_macros/format.rs +++ b/src/librustc_builtin_macros/format.rs @@ -359,7 +359,7 @@ impl<'a, 'b> Context<'a, 'b> { refs.sort(); refs.dedup(); let (arg_list, mut sp) = if refs.len() == 1 { - let spans: Vec<_> = spans.into_iter().filter_map(|sp| sp.map(|sp| *sp)).collect(); + let spans: Vec<_> = spans.into_iter().filter_map(|sp| sp.copied()).collect(); ( format!("argument {}", refs[0]), if spans.is_empty() { |