tree 7eb58e29f99bab44095bbe24d6f355ee4d238132
parent 023652e304f3675b18f22ed8dc258903ac41c56e
author Gary Furnish <gfurnish@gfurnish.net> 1475637198 -0600
committer Gary Furnish <gfurnish@gfurnish.net> 1475637198 -0600

For span, fix size_t to index_type conversion warning.
Use narrow per discussion instead of static_cast.