Mojo trait
Boolable
The Boolable trait describes a type that can be explicitly converted to a Bool or evaluated as a boolean expression in if or while conditions.
This trait requires the type to implement the __bool__() method. For
example:
@value
struct Foo(Boolable):
var val: Bool
fn __bool__(self) -> Bool:
return self.val
@value
struct Foo(Boolable):
var val: Bool
fn __bool__(self) -> Bool:
return self.val
Implemented traits
AnyType,
UnknownDestructibility
Methods
__bool__
__bool__(self: _Self) -> Bool
Get the boolean representation of the value.
Returns:
The boolean representation of the value.
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