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Before 1.4 tailrec function default arguments were evaluated right-to-left instead of left-to-right. This is controlled by a compile-time flag. This change adds support for the right-to-left evaluation order when that flag is not set.
16 lines
389 B
Kotlin
Vendored
16 lines
389 B
Kotlin
Vendored
// !LANGUAGE: -ProperComputationOrderOfTailrecDefaultParameters
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// TARGET_BACKEND: JVM
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var counter = 0
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fun calc(counter: Int) = if (counter % 2 == 0) "K" else "O"
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<!TAILREC_WITH_DEFAULTS!>tailrec fun test(x: Int, y: String = calc(counter++), z: String = calc(counter++)): String<!> {
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if (x > 0)
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return y + z
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return test(x + 1)
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}
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fun box(): String {
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return test(0)
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} |