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@file:OptIn(ExperimentalContracts::class)
package moe.nea.firmament.util
import kotlin.contracts.ExperimentalContracts
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract
/**
* Less aggressive version of `require(obj != null)`, which fails in devenv but continues at runtime.
*/
inline fun <T : Any> assertNotNullOr(obj: T?, message: String? = null, block: () -> T): T {
contract {
callsInPlace(block, InvocationKind.AT_MOST_ONCE)
}
if (message == null)
assert(obj != null)
else
assert(obj != null) { message }
return obj ?: block()
}
/**
* Less aggressive version of `require(condition)`, which fails in devenv but continues at runtime.
*/
inline fun assertTrueOr(condition: Boolean, block: () -> Unit) {
contract {
callsInPlace(block, InvocationKind.AT_MOST_ONCE)
}
assert(condition)
if (!condition) block()
}
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