# Check that the Python bindings to wrap/unwrap arrays of structs of arrays work
# as expected.

from lexer_example import foo_lexer

@with_lexer(foo_lexer)
grammar foo_grammar {
    @main_rule main_rule <- Example("example")
}

@abstract
class FooNode implements Node[FooNode] {
}

class Example: FooNode {
    @exported
    fun example_holders(): Array[ExampleHolder] =
        [ExampleHolder(examples=[self])]

    @exported
    fun identity(a: Array[ExampleHolder]): Array[ExampleHolder] = a
}

struct ExampleHolder {
    examples: Array[Entity[Example]]
}