[FIX] workaround concept resolution problem

seqan · May 10, 2019 · 281b8fb · 281b8fb
1 parent 5ca3a62
commit 281b8fb
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/seqan3/io/stream/debug_stream.hpp b/include/seqan3/io/stream/debug_stream.hpp
@@ -298,6 +298,7 @@ namespace seqan3
 template <typename tuple_t>
 //!\cond
     requires !std::ranges::InputRange<tuple_t> &&
+             !OStream<std::ostream, tuple_t> &&    //TODO remove this line when the alphabet concepts are split
              !Alphabet<remove_cvref_t<tuple_t>> && // exclude alphabet_tuple_base
              tuple_like_concept<remove_cvref_t<tuple_t>>
 //!\endcond