circuitpython/tests/basics/class_contains.py

24 lines
382 B
Python
Raw Normal View History

# A contains everything
class A:
def __contains__(self, key):
return True
a = A()
print(True in a)
print(1 in a)
print(() in a)
# B contains given things
class B:
def __init__(self, items):
self.items = items
def __contains__(self, key):
return key in self.items
b = B([])
print(1 in b)
b = B([1, 2])
print(1 in b)
print(2 in b)
print(3 in b)