def test1():
class B:
def __init__(self, name):
self.name = name
def __str__(self):
return self.name
classify = fun.Function(object, name="classify")
@classify.match(fun.catch(lambda a: a % 2 == 0))
def classify_even(a):
return "even"
@classify.match(fun.catch(lambda a: a % 3 == 0))
def classify_div3(a, **kwargs):
return "divisible by 3"
@classify.match(fun.val == 0, priority=1)
def classify_zero(a):
return "zero"
@classify.match(lambda a: a > 5, priority=1)
def classify_big(a):
return "big"
@classify.match(fun.any)
def classify_unclassified(a):
return "unclassified"
@classify.match(fun.matchclass(B), priority=2)
def classify_string(a):
return "B"
@classify.match(fun.matchattr(name="xxx"), priority=3)
def classify_xxx(a):
return "B(xxx)"
assert classify(0) == "zero"
assert classify(1) == "unclassified"
assert classify(2) == "even"
assert classify(3) == "divisible by 3"
assert classify(4) == "even"
assert classify(5) == "unclassified"
assert classify(6) == "big"
assert classify(7) == "big"
assert classify(8) == "big"
assert classify(9) == "big"
assert classify(B("xx")) == "B"
assert classify(B("xxx")) == "B(xxx)"
def test1 ():
class B:
def __init__ (self, name):
self.name = name
def __str__ (self):
return self.name
classify = fun.Function (object, name="classify")
@classify.match (fun.catch (lambda a: a % 2 == 0))
def classify_even (a):
return "even"
@classify.match (fun.catch (lambda a: a % 3 == 0))
def classify_div3 (a, **kwargs):
return "divisible by 3"
@classify.match (fun.val == 0, priority=1)
def classify_zero (a):
return "zero"
@classify.match (lambda a: a > 5, priority=1)
def classify_big (a):
return "big"
@classify.match (fun.any)
def classify_unclassified (a):
return "unclassified"
@classify.match (fun.matchclass (B), priority=2)
def classify_string (a):
return "B"
@classify.match (fun.matchattr (name = "xxx"), priority=3)
def classify_xxx (a):
return "B(xxx)"
assert classify (0) == "zero"
assert classify (1) == "unclassified"
assert classify (2) == "even"
assert classify (3) == "divisible by 3"
assert classify (4) == "even"
assert classify (5) == "unclassified"
assert classify (6) == "big"
assert classify (7) == "big"
assert classify (8) == "big"
assert classify (9) == "big"
assert classify (B ("xx")) == "B"
assert classify (B ("xxx")) == "B(xxx)"
def test3 ():
class A:
def __init__ (self, a):
self.m_a = a
def a (self):
return self.m_a
class B:
pass
x = fun.Function (object, object)
@x.match (fun.any, fun.any)
def do (i, j):
return "%s, %s" % (i, j)
@x.match (fun.matchclass (B), fun.any)
def do (i, j):
return "some B, %s" % j
@x.match (fun.any, fun.val == 5)
def do (i, j):
return "%s, value 5" % i
@x.match (fun.bind (X = fun.catch (lambda arg: arg.a ())), fun.any)
def do (i, j):
return "a=%s, %s" % (X, j)
assert (x (1, 2) == "1, 2")
assert (x (A (1), 2) == "a=1, 2")
assert (x (B (), 2) == "some B, 2")
assert (x (1, 5) == "1, value 5")
def test3():
class A:
def __init__(self, a):
self.m_a = a
def a(self):
return self.m_a
class B:
pass
x = fun.Function(object, object)
@x.match(fun.any, fun.any)
def do(i, j):
return "%s, %s" % (i, j)
@x.match(fun.matchclass(B), fun.any)
def do(i, j):
return "some B, %s" % j
@x.match(fun.any, fun.val == 5)
def do(i, j):
return "%s, value 5" % i
@x.match(fun.bind(X=fun.catch(lambda arg: arg.a())), fun.any)
def do(i, j):
return "a=%s, %s" % (X, j)
assert (x(1, 2) == "1, 2")
assert (x(A(1), 2) == "a=1, 2")
assert (x(B(), 2) == "some B, 2")
assert (x(1, 5) == "1, value 5")
