[boost][range] - Improved the implementation of strided range to eliminate requirements for boost::size(rng) to be a valid expression. Each traversal category of strided_iterator is now individually implemented.

[SVN r67461]

libs/range

@@ -1 +1 @@
-Subproject commit fd63de33e91fe2d036efaf89fa019499c23739be
+Subproject commit efb7b50a8aa6a0e19a530ccec9a6f07bdc8ce2d7