Customization point object (since C++20) (original) (raw)

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Customization point object (C++20)
Exposition-only entities
decay-copy(C++11)
synth-three-way synth-three-way-result(C++20)(C++20)

The name cpo denotes a customization point object, which is a const function object of a literal semiregular class type. See CustomizationPointObject for details.