structs_09.py

from lpython import i32, f32, f64, dataclass, field

@dataclass
class C:
    cz: f32

@dataclass
class B:
    z: i32
    bc: C = field(default_factory=lambda: C(f32(0.0)))

@dataclass
class A:
    y: f32
    x: i32
    b: B = field(default_factory=lambda: B(0, C(f32(0.0))))


def f(a: A):
    print(a.x)
    print(a.y)
    print(a.b.z)

def g():
    x: A = A(f32(3.25), 3, B(71, C(f32(4.0))))
    f(x)
    assert x.x == 3
    assert f64(x.y) == 3.25
    assert x.b.z == 71
    assert f64(x.b.bc.cz) == 4.0

g()