// vtest vflags: -autofree
struct Item {
	name string
	tags []string
}

fn process[T](val T) string {
	mut result := ''
	$for field in T.fields {
		$if field.unaliased_typ is string {
			name := val.$(field.name)
			result += name
		} $else $if field.unaliased_typ is []string {
			arr := val.$(field.name)
			for tag in arr {
				result += tag
			}
		}
	}
	return result
}

fn main() {
	item := Item{
		name: 'test'
		tags: ['a', 'b', 'c']
	}
	assert process(item) == 'testabc'
	assert item.name == 'test'
	assert item.tags == ['a', 'b', 'c']
	println('ok')
}