mirror of https://github.com/astral-sh/ruff
1.4 KiB
1.4 KiB
Comparison: Unsupported operators
def _(flag: bool, flag1: bool, flag2: bool):
class A: ...
a = 1 in 7 # error: "Operator `in` is not supported between objects of type `Literal[1]` and `Literal[7]`"
reveal_type(a) # revealed: bool
b = 0 not in 10 # error: "Operator `not in` is not supported between objects of type `Literal[0]` and `Literal[10]`"
reveal_type(b) # revealed: bool
# error: [unsupported-operator] "Operator `<` is not supported between objects of type `object` and `Literal[5]`"
c = object() < 5
reveal_type(c) # revealed: Unknown
# error: [unsupported-operator] "Operator `<` is not supported between objects of type `Literal[5]` and `object`"
d = 5 < object()
reveal_type(d) # revealed: Unknown
int_literal_or_str_literal = 1 if flag else "foo"
# error: "Operator `in` is not supported between objects of type `Literal[42]` and `Literal[1, "foo"]`"
e = 42 in int_literal_or_str_literal
reveal_type(e) # revealed: bool
# error: [unsupported-operator] "Operator `<` is not supported between objects of type `tuple[Literal[1], Literal[2]]` and `tuple[Literal[1], Literal["hello"]]`"
f = (1, 2) < (1, "hello")
reveal_type(f) # revealed: Unknown
# error: [unsupported-operator] "Operator `<` is not supported between two objects of type `tuple[bool, A]`"
g = (flag1, A()) < (flag2, A())
reveal_type(g) # revealed: Unknown