Fix false-positive in panic_params

It might still have false positives, but it’s even less likely.
2016-03-12 21:23:01 +01:00 · 2016-03-12 21:23:01 +01:00 · 0774b203f4
commit 0774b203f4
parent 7eef989ff4
2 changed files with 19 additions and 4 deletions
--- a/src/panic.rs
+++ b/src/panic.rs
@ -37,7 +37,8 @@ impl LateLintPass for PanicPass {
            match_path(path, &BEGIN_UNWIND),
            let ExprLit(ref lit) = params[0].node,
            let LitKind::Str(ref string, _) = lit.node,
-            string.contains('{'),
+            let Some(par) = string.find('{'),
+            string[par..].contains('}'),
            let Some(sp) = cx.sess().codemap()
                             .with_expn_info(expr.span.expn_id,
                                             |info| info.map(|i| i.call_site))