In both the left and right cases, evaluates a side-effecting value.
In both the left and right cases, runs a side-effecting unary function.
If the right value is an error, it propigates it to the left side.
Obtain the value from a disjunction of the same left and right types.
Obtains the value within a disjunction.
Obtains the value within a disjunction. Throws an exception if the value is not present.
Implicits that add a DSL for working with the scalaz.\/ type.