Ivan Kylchik
33 lines
1.1 KiB
Kotlin
Vendored
33 lines
1.1 KiB
Kotlin
Vendored
import kotlin.*
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import kotlin.collections.*
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@CompileTimeCalculation
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fun interface IntPredicate {
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fun accept(i: Int): Boolean
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fun defaultMethod() = 1
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}
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const val isEven = IntPredicate { it % 2 == 0 }
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.<!EVALUATED: `false, true, false, true, false`!>let { predicate -> listOf(1, 2, 3, 4, 5).map { predicate.accept(it) }.joinToString() }<!>
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const val isOdd = IntPredicate { it % 2 != 0 }
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.<!EVALUATED: `true, false, true, false, true`!>let { predicate -> listOf(1, 2, 3, 4, 5).map { predicate.accept(it) }.joinToString() }<!>
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const val callToDefault = IntPredicate { false }.<!EVALUATED: `1`!>defaultMethod()<!>
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const val callToString = IntPredicate { false }.<!EVALUATED: `(kotlin.Int) -> kotlin.Boolean`!>toString()<!>
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@CompileTimeCalculation
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fun interface KRunnable {
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fun invoke(): String
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}
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@CompileTimeCalculation
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object OK : () -> String {
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override fun invoke(): String = "OK"
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}
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@CompileTimeCalculation
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fun foo(k: KRunnable) = k.invoke()
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const val invokeFromObject = <!EVALUATED: `OK`!>foo(OK)<!>
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const val invokeFromFunInterface = <!EVALUATED: `OK`!>foo(KRunnable { "OK" })<!>
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