From 811d3da3eb376bd60adb39af21af0412291ca744 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorsten=20J=C3=B8rgen=20Ottosen?=
-bool operator==( const Range1& l, const Range2& r );
+bool operator==( const ForwardRange1& l, const ForwardRange2& r );
Returns size(l) != size(r) ? false : std::equal( begin(l), end(l), begin(r) );
-bool operator!=( const Range1& l, const Range2& r );
+bool operator!=( const ForwardRange1& l, const ForwardRange2& r );
Returns !( l == r );
-bool operator<( const Range1& l, const Range2& r );
+bool operator<( const ForwardRange1& l, const ForwardRange2& r );
Returns std::lexicographical_compare( begin(l), end(l), begin(r), end(r) );