Type Alias proptest::strategy::NewTree

pub type NewTree<S> = Result<<S as Strategy>::Tree, Reason>;

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.

Aliased Type

enum NewTree<S> {
    Ok(<S as Strategy>::Tree),
    Err(Reason),
}

Variants

Ok(<S as Strategy>::Tree)

Contains the success value

Err(Reason)

Contains the error value

Layout

Note: Encountered an error during type layout; the type failed to be normalized.