string2grid.as

	// Accepts a bunch of lines then strips, from every line, the shortest prefix
	// that is entirely whitespace and creates a 2D array.

	// Find the smallest amount of whitespace before any line...
	var minWhitespace:int = min(map(function(line:String):int {
		return line.replace(/^([ \t]*).*/, "$1").length;
	}, str.split("\n")));
	
	// ... then strip it off and return an array of single characters.
	var grid:Array = map(function(line:String):Array {
		return map(line.charAt, range(minWhitespace, line.length));
	}, str.split("\n"));