tmp/tmpb2rrvby2/{from.md → to.md}
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### Class template `common_comparison_category` <a id="cmp.common">[[cmp.common]]</a>
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The type `common_comparison_category` provides an alias for the
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strongest comparison category to which all of the template arguments can
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be converted.
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[*Note 1*: A comparison category type is stronger than another if they
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are distinct types and an instance of the former can be converted to an
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instance of the latter. — *end note*]
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``` cpp
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template<class... Ts>
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struct common_comparison_category {
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using type = see below;
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};
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```
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*Remarks:* The member *typedef-name* `type` denotes the common
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comparison type [[class.spaceship]] of `Ts...`, the expanded parameter
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pack, or `void` if any element of `Ts` is not a comparison category
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type.
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[*Note 1*: This is `std::strong_ordering` if the expansion is
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empty. — *end note*]
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