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refactor: more type members added to fixed_string definition

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Mateusz Pusz
2023-11-30 09:23:13 +01:00
parent e689f6e582
commit 97d5bb569b
1 changed files with 16 additions and 6 deletions
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22
src/core/include/mp-units/bits/external/fixed_string.h vendored
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@@ -46,7 +46,15 @@ template<typename CharT, std::size_t N>
struct basic_fixed_string {
CharT data_[N + 1] = {};
using value_type = CharT;
using pointer = CharT*;
using const_pointer = const CharT*;
using reference = CharT&;
using const_reference = const CharT&;
using const_iterator = const CharT*;
using iterator = const_iterator;
using size_type = std::size_t;
using difference_type = std::ptrdiff_t;
constexpr explicit(false) basic_fixed_string(CharT ch) noexcept
requires(N == 1)
@@ -67,13 +75,15 @@ struct basic_fixed_string {
}
[[nodiscard]] constexpr bool empty() const noexcept { return N == 0; }
[[nodiscard]] constexpr std::size_t size() const noexcept { return N; }
[[nodiscard]] constexpr const CharT* data() const noexcept { return data_; }
[[nodiscard]] constexpr size_type size() const noexcept { return N; }
[[nodiscard]] constexpr const_pointer data() const noexcept { return data_; }
[[nodiscard]] constexpr const CharT* c_str() const noexcept { return data(); }
[[nodiscard]] constexpr const CharT& operator[](std::size_t index) const noexcept { return data()[index]; }
[[nodiscard]] constexpr const_reference operator[](size_type index) const noexcept { return data()[index]; }
[[nodiscard]] constexpr const_iterator begin() const noexcept { return data(); }
[[nodiscard]] constexpr const_iterator cbegin() const noexcept { return data(); }
[[nodiscard]] constexpr const_iterator end() const noexcept { return data() + size(); }
[[nodiscard]] constexpr const_iterator cend() const noexcept { return data() + size(); }
template<std::size_t N2>
[[nodiscard]] constexpr friend basic_fixed_string<CharT, N + N2> operator+(
@@ -108,15 +118,15 @@ struct basic_fixed_string {
}
};
template<typename CharT>
basic_fixed_string(CharT) -> basic_fixed_string<CharT, 1>;
template<typename CharT, std::size_t N>
basic_fixed_string(const CharT (&str)[N]) -> basic_fixed_string<CharT, N - 1>;
template<typename CharT, std::size_t N>
basic_fixed_string(const CharT* ptr, std::integral_constant<std::size_t, N>) -> basic_fixed_string<CharT, N>;
template<typename CharT>
basic_fixed_string(CharT) -> basic_fixed_string<CharT, 1>;
template<std::size_t N>
using fixed_string = basic_fixed_string<char, N>;