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# mode: run
# tag: dataclass, pure3.7
from __future__ import print_function
import cython
@cython.dataclasses.dataclass(order=True, unsafe_hash=True)
@cython.cclass
class MyDataclass:
"""
>>> sorted(list(MyDataclass.__dataclass_fields__.keys()))
['a', 'self']
>>> inst1 = MyDataclass(2.0, ['a', 'b'])
>>> print(inst1)
MyDataclass(a=2.0, self=['a', 'b'])
>>> inst2 = MyDataclass()
>>> print(inst2)
MyDataclass(a=1, self=[])
>>> inst1 == inst2
False
>>> inst1 > inst2
True
>>> inst2 == MyDataclass()
True
>>> hash(inst1) != id(inst1)
True
"""
a: int = 1
self: list = cython.dataclasses.field(default_factory=list, hash=False) # test that arguments of init don't conflict
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