corani/functional.java

## functional.java
List<Integer> result = new ArrayList<Integer>();
for (Integer value : items) {
	result.add(Math.pow(value, 2));
}

## functional.py
result = map(lambda x: x ** 2, items)

## functional.sql
SELECT value * value FROM items
	List<Integer> result = new ArrayList<Integer>();
	for (Integer value : items) {
	result.add(Math.pow(value, 2));
	}