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Allegro CL |
6.1 The LOOP Facility 6.1.2 Variable Initialization and Stepping Clauses 6.1.2.1 Iteration Control 6.1.2.1.3 The for-as-on-list subclause
6.1.2.1.3.1 Examples of for-as-on-list subclause;; Collect successive tails of a list. (loop for sublist on '(a b c d) collect sublist) ((A B C D) (B C D) (C D) (D)) ;; Print a list by using destructuring with the loop keyword ON. (loop for (item) on '(1 2 3) do (print item)) 1 2 3 NIL |