| // LANGUAGE_VERSION: 1.3 |
| @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE") |
| |
| package test |
| |
| import kotlin.internal.contracts.* |
| |
| public inline fun <R> run(block: () -> R): R { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| return block() |
| } |
| |
| public inline fun <T, R> T.run(block: T.() -> R): R { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| return block() |
| } |
| |
| public inline fun <T, R> with(receiver: T, block: T.() -> R): R { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| return receiver.block() |
| } |
| |
| public inline fun <T> T.apply(block: T.() -> Unit): T { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| block() |
| return this |
| } |
| |
| public inline fun <T> T.also(block: (T) -> Unit): T { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| block(this) |
| return this |
| } |
| |
| public inline fun <T, R> T.let(block: (T) -> R): R { |
| contract { |
| callsInPlace(block, InvocationKind.EXACTLY_ONCE) |
| } |
| return block(this) |
| } |
| |
| public inline fun <T> T.takeIf(predicate: (T) -> Boolean): T? { |
| contract { |
| callsInPlace(predicate, InvocationKind.EXACTLY_ONCE) |
| } |
| return if (predicate(this)) this else null |
| } |
| |
| public inline fun repeat(times: Int, action: (Int) -> Unit) { |
| contract { callsInPlace(action) } |
| |
| for (index in 0..times - 1) { |
| action(index) |
| } |
| } |