--- STLExtras.h.orig	2021-01-28 01:34:01.000000000 +0100
+++ STLExtras.h	2021-03-03 22:18:46.028992086 +0100
@@ -1820,7 +1820,7 @@
   result_pair(std::size_t Index, IterOfRange<R> Iter)
       : Index(Index), Iter(Iter) {}
 
-  result_pair<R>(const result_pair<R> &Other)
+  result_pair(const result_pair<R> &Other)
       : Index(Other.Index), Iter(Other.Iter) {}
   result_pair<R> &operator=(const result_pair<R> &Other) {
     Index = Other.Index;
@@ -1870,7 +1870,7 @@
     return Result.Iter == RHS.Result.Iter;
   }
 
-  enumerator_iter<R>(const enumerator_iter<R> &Other) : Result(Other.Result) {}
+  enumerator_iter(const enumerator_iter<R> &Other) : Result(Other.Result) {}
   enumerator_iter<R> &operator=(const enumerator_iter<R> &Other) {
     Result = Other.Result;
     return *this;