gistfile1.txt

var classifyToken = function(token) {
  var kind;
  if      (token === "λ") { kind = LAMBDA; }
  else if (token === ".") { kind = DOT; }
  else if (token === "(") { kind = LPAREN; }
  else if (token === ")") { kind = RPAREN; }
  else                    { kind = IDENTIFIER; }
 
  return {
    kind: kind,
    lexeme: token
  };
};