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# mypy: allow-untyped-defs
from __future__ import annotations
from dataclasses import dataclass
@dataclass
class S:
a: int
b: str
@dataclass
class C:
c: S
d: S
@dataclass
class C2:
e: C
f: S
@dataclass
class C3:
g: S
h: C2
i: str
j: str
def test_recursive_dataclasses():
left = C3(
S(10, "ten"),
C2(C(S(1, "one"), S(2, "two")), S(2, "three")),
"equal",
"left",
)
right = C3(
S(20, "xxx"),
C2(C(S(1, "one"), S(2, "yyy")), S(3, "three")),
"equal",
"right",
)
assert left == right
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