pub type NewTree<S> = Result<<S as Strategy>::Tree, Reason>;
Expand description
A new ValueTree
from a Strategy
when Ok
or otherwise Err
when a new value-tree can not be produced for some reason such as
in the case of filtering with a predicate which always returns false.
You should pass in your strategy as the type parameter.
enum NewTree<S> {
Ok(<S as Strategy>::Tree),
Err(Reason),
}
Contains the success value