diff options
Diffstat (limited to 'compat/functional.hpp')
| -rw-r--r-- | compat/functional.hpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/compat/functional.hpp b/compat/functional.hpp index 141bbef7..893fe1a0 100644 --- a/compat/functional.hpp +++ b/compat/functional.hpp @@ -4,14 +4,12 @@ #include <iterator> #include <type_traits> -namespace functools -{ - -constexpr void return_void(); - template<typename t> using remove_qualifiers = std::remove_reference_t<std::remove_cv_t<t>>; +namespace functools +{ + template<typename seq_, typename = void> struct reserver_ { @@ -22,7 +20,7 @@ struct reserver_ }; template<typename seq_> -struct reserver_<seq_, decltype(std::declval<seq_>().reserve(0u), return_void())> +struct reserver_<seq_, decltype(std::declval<seq_>().reserve(0u), (void)0)> { static inline void maybe_reserve_space(seq_& seq, unsigned sz) { @@ -54,7 +52,7 @@ struct constant final template<typename seq_, typename F> auto map(F&& fun, const seq_& seq) { - using seq_type = functools::remove_qualifiers<seq_>; + using seq_type = remove_qualifiers<seq_>; seq_type ret; std::back_insert_iterator<seq_type> it = std::back_inserter(ret); |