Pixel-Composer/scripts/node_array_length/node_array_length.gml

function Node_Array_Length(_x, _y, _group = -1) : Node(_x, _y, _group) constructor {
	name		= "Array Length";
	previewable = false;
	
	w = 96;
	h = 32 + 24;
	min_h = h;
	
	inputs[| 0] = nodeValue(0, "Array", self, JUNCTION_CONNECT.input, VALUE_TYPE.any, 0)
		.setVisible(true, true);
	
	outputs[| 0] = nodeValue(0, "Size", self, JUNCTION_CONNECT.output, VALUE_TYPE.integer, 0);
	
	static update = function() {
		var _arr = inputs[| 0].getValue();
		if(!is_array(_arr)) return;
		outputs[| 0].setValue(array_length(_arr));
	}
	
	doUpdate();
}