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Address build warning

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This commit is contained in:
Andrew Audibert 2018-07-31 23:53:45 -07:00
parent 6749b2d93e
commit 3851c0e22b
1 changed files with 1 additions and 1 deletions
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clippy_lints/src/methods.rs
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@ -1885,7 +1885,7 @@ fn lint_chars_last_cmp_with_unwrap<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, info: &
}
/// lint for length-1 `str`s for methods in `PATTERN_METHODS`
fn lint_single_char_pattern<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr, arg: &'tcx hir::Expr) {
fn lint_single_char_pattern<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, _expr: &'tcx hir::Expr, arg: &'tcx hir::Expr) {
if let Some((Constant::Str(r), _)) = constant(cx, cx.tables, arg) {
if r.len() == 1 {
let c = r.chars().next().unwrap();