Hash join: Difference between revisions

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=={{header|Common Lisp}}==
<lang lisp>;; Uses the same example as in Go; Assumes that all the join attributes in *table-B* are keys in *hash-table*; otherwise a 'when' condition needs to be added.
 
(defparameter *table-A* '((27 "Jonah") (18 "Alan") (28 "Glory") (18 "Popeye") (28 "Alan")))