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blame)
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--- regex/include/boost/regex/v5/match_results.hpp (index)
+++ regex/include/boost/regex/v5/match_results.hpp (working tree)
@@ -222,7 +222,7 @@ public:
{
return (*this)[sub].str();
}
- private:
+private:
const_reference get_at(int sub) const
{
if(m_is_singular && m_subs.empty())
@@ -239,8 +239,12 @@ public:
return m_null;
}
public:
- template <class Integer>
- typename std::enable_if<std::is_integral<Integer>::value, const_reference>::type operator[](Integer sub) const
+ template <class Index>
+ typename std::enable_if<
+ std::is_integral<Index>::value || std::is_enum<Index>::value,
+ const_reference
+ >::type
+ operator[](Index sub) const
{
return get_at(static_cast<int>(sub));
}
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