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from enum import Enum

from lpython import (CPtr, c_p_pointer, p_c_pointer, dataclass, empty_c_void_p,

pointer, Pointer, i32, ccallable, InOut)

class Value(Enum):

TEN: i32 = 10

TWO: i32 = 2

ONE: i32 = 1

FIVE: i32 = 5

@dataclass

class Foo:

value: Value

@ccallable

@dataclass

class FooC:

value: Value

def bar(foo: InOut[Foo]) -> None:

foo.value = Value.FIVE

def barc(foo_ptr: CPtr) -> None:

foo: Pointer[FooC] = c_p_pointer(foo_ptr, FooC)

foo.value = Value.ONE

def main() -> None:

foo: Foo = Foo(Value.TEN)

fooc: FooC = FooC(Value.TWO)

foo_ptr: CPtr = empty_c_void_p()

bar(foo)

print(foo.value, foo.value.name)

assert foo.value == Value.FIVE

p_c_pointer(pointer(fooc), foo_ptr)

barc(foo_ptr)

print(fooc.value)

assert fooc.value == Value.ONE.value

main()