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gcc 5.x string_view workaround

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This commit is contained in:
Jason Rhinelander 2020-02-23 16:29:33 -04:00
parent 0839c16f19
commit dba3ff7fd3
1 changed files with 8 additions and 2 deletions
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10
llarp/util/string_view.hpp
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@ -70,7 +70,10 @@ public:
constexpr void remove_suffix(size_t n) { size_ -= n; } 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_); } 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()) if (pos >= size())
throw std::out_of_range{"invalid string_view index"}; throw std::out_of_range{"invalid string_view index"};
return data_[pos]; return data_[pos];
@ -83,7 +86,10 @@ public:
return rcount; 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"}; if (pos > size()) throw std::out_of_range{"invalid substr range"};
simple_string_view result = *this; simple_string_view result = *this;
if (pos > 0) result.remove_prefix(pos); if (pos > 0) result.remove_prefix(pos);