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import cython
try:
import typing
import dataclasses
except ImportError:
pass # The modules don't actually have to exists for Cython to use them as annotations
@cython.dataclasses.dataclass
@cython.cclass
class MyDataclass:
# fields can be declared using annotations
a: cython.int = 0
b: double = cython.dataclasses.field(default_factory = lambda: 10, repr=False)
c: str = 'hello'
# typing.InitVar and typing.ClassVar also work
d: dataclasses.InitVar[double] = 5
e: typing.ClassVar[list] = []
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