`hash-table-merge!``HASH-TABLE-1``HASH-TABLE-2`procedureReturns

`HASH-TABLE-1`as the union of`HASH-TABLE-1`and`HASH-TABLE-2`. Keys that exist in both tables will be taken from`HASH-TABLE-1`.

`hash-table-merge!``HASH-TABLE-1``HASH-TABLE-2`procedureReturns

`HASH-TABLE-1`as the union of`HASH-TABLE-1`and`HASH-TABLE-2`. Keys that exist in both tables will be taken from`HASH-TABLE-1`.