Adds the [[maybe_unused]] attribute.
Other papers in Attributes (C++17)
N4266Attributes for namespaces and enumeratorsUrbana 2014P0188R1Wording for
[[fallthrough]] attributeJacksonville 2016P0189R1Wording for [[nodiscard]] attributeJacksonville 2016P0028R4Using attribute namespaces without repetitionOulu 2016P0283R2Standard and non-standard attributesOulu 2016P0600R1[[nodiscard]] in the LibraryAlbuquerque 2017All 7 papers in Attributes (C++17) →