(function () {
	'use strict';

	// effect
	console.log( 'effect' );
	console.log( 'effect' );
	console.log( 'effect' ) || {};
	console.log( 'effect' ) && {};

	const foo = {
		get effect () {
			console.log( 'effect' );
		},
		get noEffect () {}
	};

	// effect
	(foo).effect;
	(foo).effect;

	// effect
	(null).foo = 1;
	(null).foo = 1;

	// effect
	(true)();
	(false)();
	(() => console.log( 'effect' ))();
	(() => console.log( 'effect' ))();

	// effect
	(true)()();
	(false)()();
	(() => () => console.log( 'effect' ))()();
	(() => () => console.log( 'effect' ))()();

}());
