While loops for Racket🔗 i

This basically provides while , break and continue .

1Example and usage🔗 i

(require dyoo-while-loop ) package: while-loop

#lang racket/base
(require dyoo-while-loop)

(while (not (string=? (read-line )
"quit"))
(printf "quit?"))

(while #t
(define input(read-line ))
(unless (regexp-match #px"please"input)
(printf "Youdidn'tsayplease\n")
(continue ))
(when (regexp-match #px"quit"input)
(break )))

syntax
( while testbody...)

Repeat the evaluation of the body so long as test is true.

syntax
( break )

Break out of the innermost loop.

syntax
( continue )

Restart the innermost loop.

top ← prev up next →