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Make string_view comparison as constexpr

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denchat 2021-04-09 12:26:28 +07:00 committed by GitHub
parent 273d8865e3
commit 9651cb6aaf
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1 changed files with 7 additions and 7 deletions
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14
include/fmt/core.h
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@ -434,7 +434,7 @@ template <typename Char> class basic_string_view {
}
// Lexicographically compare this string reference to other.
int compare(basic_string_view other) const {
FMT_CONSTEXPR int compare(basic_string_view other) const {
size_t str_size = size_ < other.size_ ? size_ : other.size_;
int result = std::char_traits<Char>::compare(data_, other.data_, str_size);
if (result == 0)
@ -442,22 +442,22 @@ template <typename Char> class basic_string_view {
return result;
}
friend bool operator==(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator==(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) == 0;
}
friend bool operator!=(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator!=(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) != 0;
}
friend bool operator<(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator<(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) < 0;
}
friend bool operator<=(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator<=(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) <= 0;
}
friend bool operator>(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator>(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) > 0;
}
friend bool operator>=(basic_string_view lhs, basic_string_view rhs) {
FMT_CONSTEXPR friend bool operator>=(basic_string_view lhs, basic_string_view rhs) {
return lhs.compare(rhs) >= 0;
}
};