44 44 assert( !__traits(compiles, p.column =222) ); 45 45 } 46 46 47 47 /// Represents a lexer token 48 48 49 49 class Token 50 50 { 51 - enum Kind {identifier, stringLiteral, number}; 51 + /// currently we have three kinds of token 52 + enum Kind { 53 + identifier, /// anything other than others 54 + stringLiteral, /// "string literal" 55 + number /// 42 56 + }; 52 57 immutable LexPosition pos; /// position where the token occurred in the source 53 58 immutable string str; /// the token string itself 54 59 immutable Kind kind; /// which kind of token? 55 60 56 61 mixin SimpleConstructor; 57 62 mixin SimpleCompare; 58 63 }