trait
IntableRaising
The IntableRaising
trait describes a type can be converted to an Int, but the conversion might raise an error.
Any type that conforms to Intable
or IntableRaising
works with the built-in
int()
function.
This trait requires the type to implement the __int__()
method, which can
raise an error. For example:
@value
struct Foo(IntableRaising):
var i: Int
fn __int__(self) raises -> Int:
return self.i
Now you can use the int()
function to convert a Foo
to an
Int
:
fn main() raises:
var x = Foo(42)
print(int(x) == 42)
True
Implemented traits
AnyType
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