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23 lines
741 B
Diff
23 lines
741 B
Diff
--- a/absl/strings/internal/string_constant.h
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+++ b/absl/strings/internal/string_constant.h
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@@ -35,12 +35,18 @@ namespace strings_internal {
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// below.
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template <typename T>
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struct StringConstant {
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+ private:
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+ static constexpr bool ValidateConstant(absl::string_view view) {
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+ return view.empty() || 2 * view[0] != 1;
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+ }
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+
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+public:
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static constexpr absl::string_view value = T{}();
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constexpr absl::string_view operator()() const { return value; }
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// Check to be sure `view` points to constant data.
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// Otherwise, it can't be constant evaluated.
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- static_assert(value.empty() || 2 * value[0] != 1,
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+ static_assert(ValidateConstant(value),
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"The input string_view must point to constant data.");
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};
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