function bool => str boolToStr
{
	if
	{
		"true"
	}
	else
	{
		"false"
	}
}

function int int => int %
{
	divmod deq
}

function int int => int /
{
	divmod req deq
}

function int => int decrement
{
	1 -
}
function int => int increment
{
	1 +
}