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Merge pull request 'Added static_assert to check for string validity' (#1) from feature/compile_time_string_validity into master

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Reviewed-on: http://git.mercurial-manifold.eu/an.tsouchlos/const_fmt/pulls/1
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an.tsouchlos 2022-02-14 22:25:16 +00:00
commit 313ca5e981
1 changed files with 5 additions and 3 deletions
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8
const_fmt/format.h
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@ -115,10 +115,12 @@ namespace const_fmt {
template <const_fmt_detail::ConstString s, typename... args_t> template <const_fmt_detail::ConstString s, typename... args_t>
constexpr inline auto const_format(args_t... args) { constexpr inline auto const_format(args_t... args) {
constexpr auto ast = const_fmt_detail::parse_string<s>().value; constexpr auto ast = const_fmt_detail::parse_string<s>();
constexpr auto fmt_data = const_fmt_detail::get_fmt_data<ast>(); constexpr auto fmt_data = const_fmt_detail::get_fmt_data<ast.value>();
auto result = const_fmt_detail::get_preproc_string<ast>(); static_assert(ast.is_valid, "Invalid format string");
auto result = const_fmt_detail::get_preproc_string<ast.value>();
const_fmt_detail::format_args<fmt_data>(result.begin(), args...); const_fmt_detail::format_args<fmt_data>(result.begin(), args...);