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#![attr] #![attr(true)] #![attr(ident)] #![attr(ident, 100, true, "true", ident = 100, ident = "hello", ident(100))] #![attr(100)] #![attr(enabled = true)] #![enabled(true)] #![attr("hello")] #![repr(C, align = 4)] #![repr(C, align(4))]