public static IntConsumer intConsumer(CheckedIntConsumer consumer, Consumer<Throwable> handler) {
        return i -> {
            try {
                consumer.accept(i);
            }
            catch (Throwable e) {
                handler.accept(e);

                throw new IllegalStateException("Exception handler must throw a RuntimeException", e);
            }
        };
    }
Wrap a {@link CheckedIntConsumer} in a {@link IntConsumer} with a custom handler for checked exceptions.
<p>
Example:
<pre><code>
Arrays.stream(new int[] { 1, 2 }).forEach(Unchecked.intConsumer(
    i -> {
        if (i &lt; 0)
            throw new Exception("Only positive numbers allowed");
    },
    e -> {
        throw new IllegalStateException(e);
    }
));
</code></pre>
jOOL/src/main/java/org/jooq/lambda/Unchecked.java