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#![cfg_attr(feature = "nightly", feature(external_doc) )] // https://doc.rust-lang.org/unstable-book/language-features/external-doc.html #![cfg_attr(feature = "nightly", doc(include = "../Readme.md"))]
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#![cfg_attr(feature = "nightly", feature(external_doc) )] // https://doc.rust-lang.org/unstable-book/language-features/external-doc.html #![cfg_attr(feature = "nightly", doc(include = "../Readme.md"))]