Files
example-code-2e/25-class-metaprog/checked/checkedlib_demo.py
2021-04-17 21:02:51 -03:00

22 lines
533 B
Python

from checkedlib import Checked
class Movie(Checked):
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)