Created
November 15, 2012 17:48
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Function currying and scope in groovy
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| def sum = {a, b -> return a + b } | |
| def square = {a -> return a * a } | |
| def composition = {f, g, a, b -> f(g(a), g(b))} | |
| def sumOfSquares = composition.curry(sum, square) | |
| def sumOfSquaresOfTwoLargestNumbers(a, b, c) { | |
| if ((a < b) && (a < c)) return sumOfSquares(b, c) | |
| else if ((b < a) && (b < c)) return sumOfSquares(a, c) | |
| else return sumOfSquares(a, b) | |
| } | |
| println sumOfSquaresOfTwoLargestNumbers(1, 3, 4) | |
| println sumOfSquaresOfTwoLargestNumbers(3, 4, 1) | |
| println sumOfSquaresOfTwoLargestNumbers(4, 1, 3) |
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