Mikhail Glukhikh
28 lines
637 B
Kotlin
Vendored
28 lines
637 B
Kotlin
Vendored
package foo
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// CHECK_CONTAINS_NO_CALLS: sumEven
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inline fun filteredReduce(a: Array<Int>, predicate: (Int) -> Boolean, reduceFun: (Int, Int) -> Int): Int {
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var result = 0
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for (element in a) {
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val satisfyPred = predicate(element)
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if (satisfyPred) {
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result = reduceFun(result, element)
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}
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}
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return result
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}
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fun sumEven(a: Array<Int>): Int {
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return filteredReduce(a, { x -> x % 2 == 0}, { x, y -> x + y})
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}
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fun box(): String {
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assertEquals(0, sumEven(array()))
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assertEquals(6, sumEven(array(1,2,3,4)))
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assertEquals(12, sumEven(array(1,2,3,4,6,7,9)))
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return "OK"
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} |