Files
example-code-2e/25-class-metaprog/checkeddeco/checkeddeco_demo.py
2021-04-22 19:39:49 -03:00

23 lines
534 B
Python

from checkeddeco import checked
@checked
class Movie:
title: str
year: int
megabucks: float
if __name__ == '__main__':
movie = Movie(title='The Godfather', year=1972, megabucks=137)
print(movie.title)
print(movie)
try:
# remove the "type: ignore" comment to see Mypy error
movie.year = 'MCMLXXII' # type: ignore
except TypeError as e:
print(e)
try:
blockbuster = Movie(title='Avatar', year=2009, megabucks='billions')
except TypeError as e:
print(e)