def test2 ():
class C:
def __init__ (self, name, value):
self.name = name
self.value = value
test = fun.Function (object, name="test")
@test.match (fun.bind (X = fun.if_else (fun.matchattr (name = "abc"),
lambda arg: arg.value)))
def do (arg):
return "1:" + X
@test.match (fun.bind (X = fun.if_else (fun.matchattr (name = "def"),
lambda arg: arg.value)))
def do (arg):
return "2:" + X
@test.match (fun.any)
def do (arg):
return "default"
assert test (C ("test", "")) == "default"
assert test (C ("abc", "yay!")) == "1:yay!"
assert test (C ("def", "meh!")) == "2:meh!"
def test2():
class C:
def __init__(self, name, value):
self.name = name
self.value = value
test = fun.Function(object, name="test")
@test.match(
fun.bind(X=fun.if_else(fun.matchattr(
name="abc"), lambda arg: arg.value)))
def do(arg):
return "1:" + X
@test.match(
fun.bind(X=fun.if_else(fun.matchattr(
name="def"), lambda arg: arg.value)))
def do(arg):
return "2:" + X
@test.match(fun.any)
def do(arg):
return "default"
assert test(C("test", "")) == "default"
assert test(C("abc", "yay!")) == "1:yay!"
assert test(C("def", "meh!")) == "2:meh!"
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)"