suppose we have written a macro called FORLOOP. We wanted to imitate the behaviour of regular for loop in C or Java. What will be the output of this following program? If you think it will not work, please state why. (THIS CODE IS WRITTEN IN LISP) (defmarcro forloop (start end inc &rest bodies) (let ( (g (gensym)) ) `(do ( (,g ,start (+ ,g ,inc)) ) ( (>= ,g ,end)) ,@ bodies )
suppose we have written a macro called FORLOOP. We wanted to imitate the behaviour of regular for loop in C or Java. What will be the output of this following program? If you think it will not work, please state why. (THIS CODE IS WRITTEN IN LISP) (defmarcro forloop (start end inc &rest bodies) (let ( (g (gensym)) ) `(do ( (,g ,start (+ ,g ,inc)) ) ( (>= ,g ,end)) ,@ bodies )
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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suppose we have written a macro called FORLOOP. We wanted to imitate the behaviour of regular for loop in C or Java. What will be the output of this following
(defmarcro forloop (start end inc &rest bodies)
(let ( (g (gensym)) )
`(do ( (,g ,start (+ ,g ,inc)) )
( (>= ,g ,end))
,@ bodies
)
)
)
(setf count 0)
(forloop count 10 4 (princ (setf count (+ 1 count))))
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