diff options
Diffstat (limited to 'libcxx/include/string')
| -rw-r--r-- | libcxx/include/string | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libcxx/include/string b/libcxx/include/string index f5e05d8..8f80afbc 100644 --- a/libcxx/include/string +++ b/libcxx/include/string @@ -1312,6 +1312,8 @@ public: # if _LIBCPP_STD_VER >= 23 template <class _Op> _LIBCPP_HIDE_FROM_ABI constexpr void resize_and_overwrite(size_type __n, _Op __op) { + using __result_type = decltype(std::move(__op)(data(), auto(__n))); + static_assert(__integer_like<__result_type>, "Operation return type must be integer-like"); size_type __sz = size(); size_type __cap = capacity(); if (__n > __cap) |