use Any
use Boolean

```doc
# LogicalOr

Values which wish to implement the `||` infix operator must implement this protocol.
```
protocol LogicalOr, as: do
  ```doc
  Should the value be considered `true` for purposes of an `||` expression?

  Must be implemented.
  ```
  def true?(self: Self): Boolean

  ```doc
  A short-circuiting logical or operation.

  If `LogicalOr.true?` is true for the left-hand value then it is returned, otherwise the right-hand value is returned.
  ```
  def or(self: Self, _other: Any): Any, when: LogicalOr.true?(self), as: self
  def or(_self: Self, other: Any): Any, as: other
end