var ANY: any;
var BOOLEAN: boolean;
var NUMBER: number;
var STRING: string;
var OBJECT: Object;

// Expect to have compiler errors
// Missing the second operand
(ANY, );
(BOOLEAN, );
(NUMBER, );
(STRING, );
(OBJECT, );

// Missing the first operand
(, ANY);
(, BOOLEAN);
(, NUMBER);
(, STRING);
(, OBJECT);

// Missing all operands
( , );