Rick van Hattem
29 lines
553 B
ReStructuredText
29 lines
553 B
ReStructuredText
>>> from T_10_dataclasses import Dataclass
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>>> class Sandwich(metaclass=Dataclass):
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... spam: int
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... eggs: int = 3
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>>> Sandwich(1, 2)
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Sandwich(spam=1, eggs=2)
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>>> sandwich = Sandwich(4)
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>>> sandwich
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Sandwich(spam=4, eggs=3)
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>>> sandwich.eggs
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3
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>>> help(Sandwich.__init__)
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Help on function __init__ in ...
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<BLANKLINE>
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__init__(spam: int, eggs: int = 3)
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<BLANKLINE>
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>>> Sandwich('a')
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Traceback (most recent call last):
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...
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ValueError: invalid literal for int() with base 10: 'a'
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>>> Sandwich('1234', 56.78)
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Sandwich(spam=1234, eggs=56)
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