1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 5652a9a9d3a..4ce0d74bd37 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -2756,7 +2756,9 @@ impl<'a> State<'a> {
             }
             ast::LitChar(ch) => {
                 let mut res = String::from_str("'");
-                ch.escape_default(|c| res.push(c));
+                for c in ch.escape_default() {
+                    res.push(c);
+                }
                 res.push('\'');
                 word(&mut self.s, res.as_slice())
             }