Macro match_each_dvector_pair 

macro_rules! match_each_dvector_pair {
    (($left:expr, $right:expr), | $l:ident, $r:ident | $body:block, $else:block) => { ... };
}

Matches on pairs of DecimalVector with the same type and executes the provided code.

This macro matches two decimal vectors when they have the same underlying type. For type mismatches, the $else block is executed.