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Add gcc 5 constexpr workaround

This commit is contained in:
Jason Rhinelander 2020-02-23 16:28:22 -04:00
parent f2ee3d9b41
commit 99f4333b18
1 changed files with 8 additions and 2 deletions
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10
lokimq/string_view.h
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@ -90,7 +90,10 @@ public:
constexpr void remove_suffix(size_t n) { size_ -= n; }
void swap(simple_string_view &s) noexcept { std::swap(data_, s.data_); std::swap(size_, s.size_); }
constexpr const char& at(size_t pos) const {
#if defined(__clang__) || !defined(__GNUG__) || __GNUC__ >= 6
constexpr // GCC 5.x is buggy wrt constexpr throwing
#endif
const char& at(size_t pos) const {
if (pos >= size())
throw std::out_of_range{"invalid string_view index"};
return data_[pos];
@ -103,7 +106,10 @@ public:
return rcount;
}
constexpr simple_string_view substr(size_t pos = 0, size_t count = npos) const {
#if defined(__clang__) || !defined(__GNUG__) || __GNUC__ >= 6
constexpr // GCC 5.x is buggy wrt constexpr throwing
#endif
simple_string_view substr(size_t pos = 0, size_t count = npos) const {
if (pos > size()) throw std::out_of_range{"invalid substr range"};
simple_string_view result = *this;
if (pos > 0) result.remove_prefix(pos);