1 files changed, 2 insertions, 2 deletions
diff --git a/src/librustc_apfloat/ieee.rs b/src/librustc_apfloat/ieee.rs
index 18d968fbddd..4abb86a5251 100644
--- a/src/librustc_apfloat/ieee.rs
+++ b/src/librustc_apfloat/ieee.rs
@@ -1199,8 +1199,8 @@ impl<S: Semantics> Float for IeeeFloat<S> {
         }
 
         // Handle a leading minus sign.
-        let minus = s.starts_with("-");
-        if minus || s.starts_with("+") {
+        let minus = s.starts_with('-');
+        if minus || s.starts_with('+') {
             s = &s[1..];
             if s.is_empty() {
                 return Err(ParseError("String has no digits"));