Function multilabel_cross_validate 

pub fn multilabel_cross_validate<X, Y, M>(
    _estimator: &M,
    x: &ArrayView2<'_, f64>,
    y: &ArrayView2<'_, i32>,
    config: MultiLabelValidationConfig,
) -> Result<(Vec<f64>, MultiLabelValidationResult)>
where
    M: Clone,