Zalim Bashorov
21 lines
309 B
Kotlin
21 lines
309 B
Kotlin
package foo
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fun box(): Boolean {
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if (f(null) != false) {
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return false;
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}
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if (f(2) != true) {
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return false;
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}
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if (f(1) != false) {
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return true;
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}
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return true
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}
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fun Int.isEven() = (this % 2) == 0
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fun f(a: Int?): Boolean {
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return a?.isEven() ?: false
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} |