Make Expr generic in Label

1 files changed, 1 insertions, 1 deletions

diff --git a/dhall_core/src/printer.rs b/dhall_core/src/printer.rs
index fb3b8e8..746b863 100644
--- a/dhall_core/src/printer.rs
+++ b/dhall_core/src/printer.rs
@@ -462,7 +462,7 @@ impl Display for Scheme {
     }
 }
 
-impl Display for V {
+impl<Label: Display> Display for V<Label> {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         let V(x, n) = self;
         x.fmt(f)?;