check_subset_preserve_order

risingwave_storage::hummock::utils

Function check_subset_preserve_order 

Source 
pub fn check_subset_preserve_order<T: Eq>(
    sub_iter: impl Iterator<Item = T>,
    full_iter: impl Iterator<Item = T>,
) -> bool
Expand description

Check whether the items in sub_iter is a subset of the items in full_iter, and meanwhile preserve the order.