def test_callpipe():
# -- set up some 1-variable functions
a2 = scope.partial("add", 2)
a3 = scope.partial("add", 3)
def s9(a):
return scope.sub(a, 9)
# x + 2 + 3 - 9 == x - 4
r = scope.callpipe1([a2, a3, s9], 5)
thing = rec_eval(r)
assert thing == 1
def test_callpipe():
# -- set up some 1-variable functions
a2 = scope.partial('add', 2)
a3 = scope.partial('add', 3)
def s9(a):
return scope.sub(a, 9)
# x + 2 + 3 - 9 == x - 4
r = scope.callpipe1([a2, a3, s9], 5)
thing = rec_eval(r)
assert thing == 1
def test_partial():
add2 = scope.partial("add", 2)
print(add2)
assert len(str(add2).split("\n")) == 3
# add2 evaluates to a scope method
thing = rec_eval(add2)
print(thing)
assert "SymbolTableEntry" in str(thing)
# add2() evaluates to a failure because it's only a partial application
assert_raises(NotImplementedError, rec_eval, add2())
# add2(3) evaluates to 5 because we've filled in all the blanks
thing = rec_eval(add2(3))
print(thing)
assert thing == 5
def test_partial():
add2 = scope.partial('add', 2)
print(add2)
assert len(str(add2).split('\n')) == 3
# add2 evaluates to a scope method
thing = rec_eval(add2)
print(thing)
assert 'SymbolTableEntry' in str(thing)
# add2() evaluates to a failure because it's only a partial application
assert_raises(NotImplementedError, rec_eval, add2())
# add2(3) evaluates to 5 because we've filled in all the blanks
thing = rec_eval(add2(3))
print(thing)
assert thing == 5
