def f(t: Type):
return match(t)(lambda T: {
Type.array(T):
T,
T:
Type('double'),
})
def _f(t: Type):
return match(t)(lambda T: {
T:
Type.reference(T),
Type.pointer(T):
Type.rvalue_reference(T),
Type.pointer(Type.pointer(T)):
Type.array(T),
})
def test_array_type_expr_as_match_expr_matched_success():
from tmppy import Type, match
def f(t: Type):
return match(t)(lambda T: {
Type.array(T): T,
T: Type('double'),
})
assert f(Type.array(Type('int'))) == Type('int')
def test_match_optimization_with_multiple_specializations_chooses_more_specific_specialization():
from tmppy import Type, match
def _f(t: Type):
return match(t)(lambda T: {
T:
Type.reference(T),
Type.pointer(T):
Type.rvalue_reference(T),
Type.pointer(Type.pointer(T)):
Type.array(T),
})
assert _f(Type.pointer(Type.pointer(Type('int')))) == Type.array(Type('int'))
def test_type_array_literal_success():
from tmppy import Type
assert Type.array(Type('int')) == Type.array(Type('int'))
def f(x: bool):
return Type.array(
5
) # error: The argument passed to Type.array\(\) should have type Type, but was: int
def f(x: bool):
return Type.array(
'x', 'y') # error: Type.array\(\) takes 1 argument. Got: 2
def f(x: bool):
return Type.array(
x=1
) # error: Keyword arguments are not supported in Type.array\(\)