merge

# given {1..8}

$hash->merge({7,7,9,9}); # {1=>2,3=>4,5=>6,7=>7,9=>9}

The merge method returns a hash reference where the elements in the hash and the elements in the argument(s) are merged. This operation performs a deep merge and clones the datasets to ensure no side-effects. The merge behavior merges hash references only, all other data types are assigned with precendence given to the value being merged. This method returns a Data::Object::Hash object.

merge() : HashObject

method