Method step

src/main/java/groovy/lang/IntRange.java:520–551

{@inheritDoc}

(int step, Closure closure)

     * {@inheritDoc}
     */
    @Override
    public void step(int step, Closure closure) {
        if (step == 0) {
            if (!getFrom().equals(getTo())) {
                throw new GroovyRuntimeException("Infinite loop detected due to step size of 0");
            }
            return; // from == to and step == 0, nothing to do, so return
        }

        if (isReverse()) {
            step = -step;
        }
        if (step > 0) {
            int value = getFrom();
            while (value <= getTo()) {
                closure.call(value);
                if (((long) value + step) >= Integer.MAX_VALUE) {
                    break;
                }
                value = value + step;
            }
        } else {
            int value = getTo();
            while (value >= getFrom()) {
                closure.call(value);
                if (((long) value + step) <= Integer.MIN_VALUE) {
                    break;
                }
                value = value + step;
            }
        }
    }

    /**
     * {@inheritDoc}