Added missing impl_to_source! and impl_to_tokens! for ImplItem.

This fixes several use cases that were broken after #23265 landed.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index b58c121c5fd..51478ccf859 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -355,6 +355,10 @@ pub fn item_to_string(i: &ast::Item) -> String {
     $to_string(|s| s.print_item(i))
 }
 
+pub fn impl_item_to_string(i: &ast::ImplItem) -> String {
+    $to_string(|s| s.print_impl_item(i))
+}
+
 pub fn generics_to_string(generics: &ast::Generics) -> String {
     $to_string(|s| s.print_generics(generics))
 }