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add what to narrowing_error

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Jordan Maples 2020-09-14 15:50:46 -07:00
parent 21b69e5cce
commit e7e3bf4f5f
1 changed files with 4 additions and 0 deletions
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4
include/gsl/gsl_narrow
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@ -22,6 +22,10 @@ namespace gsl
{
struct narrowing_error : public std::exception
{
const char* what() const noexcept override
{
return "narrowing_error";
}
};
// narrow() : a checked version of narrow_cast() that throws if the cast changed the value