Map

$typeMapDestination.Foos = .Block(
    System.Collections.Generic.List`1[Benchmark.Flattening.ComplexTypeMapper+Foo] $collectionDestination,
    System.Collections.Generic.List`1[Benchmark.Flattening.ComplexTypeMapper+Foo] $passedDestination) {
    $passedDestination = .If ($dest == null) {
        .Default(System.Collections.Generic.List`1[Benchmark.Flattening.ComplexTypeMapper+Foo])
    } .Else {
        $typeMapDestination.Foos
    };
    $collectionDestination = .If ($passedDestination != null) {
        $passedDestination
    } .Else {
        .New System.Collections.Generic.List`1[Benchmark.Flattening.ComplexTypeMapper+Foo]()
    };
    .If ($resolvedValue == null) {
        $collectionDestination
    } .Else {
        .Block() {
            .Block(System.Collections.Generic.List`1+Enumerator[Benchmark.Flattening.ComplexTypeMapper+Foo] $enumerator) {
                $enumerator = .Call $resolvedValue.GetEnumerator();
                .Loop  {
                    .If (.Call $enumerator.MoveNext() == True) {
                        .Block(Benchmark.Flattening.ComplexTypeMapper+Foo $item) {
                            $item = $enumerator.Current;
                            .Call $collectionDestination.Add(.Call $ctxt.Map(
                                    $item,
                                    .Default(Benchmark.Flattening.ComplexTypeMapper+Foo)))
                        }
                    } .Else {
                        .Break LoopBreak { }
                    }
                }
                .LabelTarget LoopBreak:
            };
            $collectionDestination
        }
    }
}