structs_01.py

from ltypes import i32, f32, dataclass

@dataclass
class A:
    y: f32
    x: i32

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

def change_struct(a: A):
    a.x = a.x + 1
    a.y = a.y + 1

def g():
    x: A
    x = A(3.25, 3)
    f(x)
    assert x.x == 3
    assert x.y == 3.25

    x.x = 5
    x.y = 5.5
    f(x)
    assert x.x == 5
    assert x.y == 5.5
    change_struct(x)
    assert x.x == 6
    assert x.y == 6.5

g()