20 General utilities library [utilities]

20.17 Class type_­index [type.index]

20.17.3 type_­index members [type.index.members]

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type_index(const type_info& rhs) noexcept;
1
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Effects: Constructs a type_­index object, the equivalent of target = &rhs.
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bool operator==(const type_index& rhs) const noexcept;
2
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Returns: *target == *rhs.target.
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bool operator<(const type_index& rhs) const noexcept;
3
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Returns: target->before(*rhs.target).
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bool operator>(const type_index& rhs) const noexcept;
4
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Returns: rhs.target->before(*target).
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bool operator<=(const type_index& rhs) const noexcept;
5
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Returns: !rhs.target->before(*target).
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bool operator>=(const type_index& rhs) const noexcept;
6
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Returns: !target->before(*rhs.target).
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strong_ordering operator<=>(const type_index& rhs) const noexcept;
7
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Effects: Equivalent to: 
if (*target == *rhs.target) return strong_ordering::equal;
if (target->before(*rhs.target)) return strong_ordering::less;
return strong_ordering::greater;
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size_t hash_code() const noexcept;
8
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Returns: target->hash_­code().
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const char* name() const noexcept;
9
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Returns: target->name().