coord/base: take const-ref for supplementary index query

This disambiguates type resolution of literals and other temporaries.
2019-03-22 15:09:19 +11:00 · 2019-03-22 15:09:19 +11:00 · 6ae38d7f9e
commit 6ae38d7f9e
parent 0d9374d3dd
1 changed files with 1 additions and 1 deletions
--- a/coord/base.hpp
+++ b/coord/base.hpp
@ -268,7 +268,7 @@ namespace cruft::coord {
            >
        >
        constexpr auto
-        indices (U&& ...supplementary) const
+        indices (U const &...supplementary) const
        {
            static_assert (
                cruft::max (Indices...) < S + sizeof...(supplementary),