diff options
Diffstat (limited to 'lib/stream_support.h')
| -rw-r--r-- | lib/stream_support.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/stream_support.h b/lib/stream_support.h index 57d82a1..d71356c 100644 --- a/lib/stream_support.h +++ b/lib/stream_support.h @@ -6,6 +6,7 @@ #include <maths.h> #include <span> #include <sstream> +#include <tuple> #include <type_traits> template<typename S> @@ -49,6 +50,22 @@ namespace std { return (s << '(' << v.first << ", " << v.second << ')'); } + namespace { + template<typename... T, size_t... Idx> + std::ostream & + printTuple(std::ostream & s, const std::tuple<T...> & v, std::integer_sequence<size_t, Idx...>) + { + return ((s << (Idx ? ", " : "") << std::get<Idx>(v)), ...); + } + } + + template<typename... T> + std::ostream & + operator<<(std::ostream & s, const std::tuple<T...> & v) + { + return printTuple(s << '{', v, std::make_index_sequence<sizeof...(T)>()) << '}'; + } + inline std::ostream & operator<<(std::ostream & s, const Arc & arc) { |