Add lint for redundant pattern matching in iflet for Result/Option

2016-10-29 18:56:12 +02:00
parent 502416fa78
commit d213040381
13 changed files with 339 additions and 186 deletions
--- a/clippy_lints/src/arithmetic.rs
+++ b/clippy_lints/src/arithmetic.rs
@@ -49,7 +49,7 @@ impl LintPass for Arithmetic {

 impl LateLintPass for Arithmetic {
    fn check_expr(&mut self, cx: &LateContext, expr: &hir::Expr) {
-        if let Some(_) = self.span {
+        if self.span.is_some() {
            return;
        }
        match expr.node {