clippy

1 files changed, 1 insertions, 1 deletions

diff --git a/dhall_core/src/printer.rs b/dhall_core/src/printer.rs
index 746b863..4f56fb6 100644
--- a/dhall_core/src/printer.rs
+++ b/dhall_core/src/printer.rs
@@ -318,7 +318,7 @@ impl Display for NaiveDouble {
             f.write_str("NaN")
         } else {
             let s = format!("{}", v);
-            if s.contains("e") || s.contains(".") {
+            if s.contains('e') || s.contains('.') {
                 f.write_str(&s)
             } else {
                 write!(f, "{}.0", s)