Function proptest::option::weighted

pub fn weighted<T: Strategy>(
    probability_of_some: impl Into<Probability>, 
    t: T
) -> OptionStrategy<T>

Return a strategy producing Optional values wrapping values from the given delegate strategy.

Some values shrink to None.

Some is chosen with a probability given by probability_of_some, which must be between 0.0 and 1.0, both exclusive.