def test_isbool(self):
false1 = utils.isbool("123.45")
false2 = utils.isbool("hey")
true1 = utils.isbool("TRUE")
true2 = utils.isbool("FALSE")
self.assertFalse(false1)
self.assertFalse(false2)
self.assertTrue(true1)
self.assertTrue(true2)
def not_(x):
if not isbool(x):
raise TypeError('`!` expected Boolean arguments, got `%s`' \
% type(x).__name__)
if x:
return false
else:
return true
def fold(self):
s = [x for x, m in self.iteritems() if m > 0]
if len(s):
for val in s:
if not isbool(val):
raise TypeError('%s is not Boolean.' % _repr(val))
# TODO: can short circuit as soon as we get a true... but above we
# check the types.. so we don't get the benefit.
return todyna(any(s))
def and_(x, y):
if not (isbool(x) and isbool(y)):
raise TypeError('`&` expected Boolean arguments, got `%s` and `%s`' \
% (type(x).__name__, type(y).__name__))
return todyna(x and y)
