From 252a870a22d3684890a5bcbdcac2e0490131ef31 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 23 Nov 2020 12:00:44 +1000
Subject: [PATCH] range: correct the ostream operator template variable refs

---
 range.cpp | 16 ++++++++++++++++
 range.hpp | 15 ++++-----------
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/range.cpp b/range.cpp
index cf657661..01ec8d16 100644
--- a/range.cpp
+++ b/range.cpp
@@ -169,6 +169,22 @@ cruft::range<T>::operator ==(const cruft::range<T> &rhs) const
 }
 
 
+///////////////////////////////////////////////////////////////////////////////
+template <typename T>
+std::ostream&
+cruft::operator <<(std::ostream &os, const range<T> &rhs) {
+    os << '[' << rhs.lo << ", " << rhs.hi << ']';
+    return os;
+}
+
+
+template std::ostream& cruft::operator<< (std::ostream&, range<int> const&);
+template std::ostream& cruft::operator<< (std::ostream&, range<long> const&);
+template std::ostream& cruft::operator<< (std::ostream&, range<unsigned int> const&);
+template std::ostream& cruft::operator<< (std::ostream&, range<unsigned long> const&);
+template std::ostream& cruft::operator<< (std::ostream&, range<float> const&);
+
+
 ///////////////////////////////////////////////////////////////////////////////
 template <typename T>
 void
diff --git a/range.hpp b/range.hpp
index 99a7d4be..2a6f9336 100644
--- a/range.hpp
+++ b/range.hpp
@@ -3,17 +3,15 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  *
- * Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
+ * Copyright 2010-2020 Danny Robson <danny@nerdcruft.net>
  */
 
-
-#ifndef __UTIL_RANGE_HPP
-#define __UTIL_RANGE_HPP
+#pragma once
 
 #include <cstdint>
-#include <ostream>
 #include <limits>
 #include <type_traits>
+#include <iosfwd>
 
 namespace cruft {
     /**
@@ -119,10 +117,5 @@ namespace cruft {
     // ostream operators
     template <typename T>
     std::ostream&
-    operator <<(std::ostream &os, const range<T> &rhs) {
-        os << '[' << rhs.min << ", " << rhs.max << ']';
-        return os;
-    }
+    operator <<(std::ostream &os, const range<T> &);
 }
-
-#endif