false
            is KtLambdaExpression ->
                false
            is KtScriptInitializer ->
                false

            // The last expression of a block is considered used iff the block itself is used.
            is KtBlockExpression ->
                parent.statements.lastOrNull() == child && isUsed(parent)

            // Destructuring declarations use their initializer.

import org.jetbrains.kotlin.resolve.constants.evaluate.evalUnaryOp
import org.jetbrains.kotlin.types.ConstantValueKind

/**
 * An evaluator that transform numeric operation, such as div, into compile-time constant iff involved operands, such as explicit receiver
 * and the argument, are compile-time constant as well.
 */
internal object FirCompileTimeConstantEvaluator {