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This commit is contained in:
Michael Wright 2018-01-17 07:24:33 +02:00
parent 21fde9a9d1
commit e7567f2eac
2 changed files with 10 additions and 23 deletions
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6
clippy_lints/src/types.rs
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@ -220,12 +220,12 @@ fn check_ty(cx: &LateContext, ast_ty: &hir::Ty, is_local: bool) {
}
} else if match_def_path(cx.tcx, def_id, &paths::OPTION) {
if match_type_parameter(cx, qpath, &paths::OPTION) {
span_help_and_lint(
span_lint(
cx,
OPTION_OPTION,
ast_ty.span,
"consider using `Option<T>` instead of `Option<Option<T>>`",
"`Option<_>` is easier to use than `Option<Option<_>`",
"consider using `Option<T>` instead of `Option<Option<T>>` or a custom \
enum if you need to distinguish all 3 cases",
);
return; // don't recurse into the type
}