tmp/tmpv1nbjmwv/{from.md → to.md}
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### Helper classes <a id="meta.help">[[meta.help]]</a>
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``` cpp
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namespace std {
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template
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struct integral_constant {
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static constexpr T value = v;
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using value_type = T;
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using type = integral_constant<T, v>;
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constexpr operator value_type() const noexcept { return value; }
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constexpr value_type operator()() const noexcept { return value; }
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};
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}
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```
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### Helper classes <a id="meta.help">[[meta.help]]</a>
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``` cpp
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namespace std {
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template<class T, T v> struct integral_constant {
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static constexpr T value = v;
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+
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using value_type = T;
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using type = integral_constant<T, v>;
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+
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constexpr operator value_type() const noexcept { return value; }
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constexpr value_type operator()() const noexcept { return value; }
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};
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}
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```
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