tojoqk / pict-sexp

Draw sexp

pict-sexp

Draw sexp.

INSTALL

raco pkg install https://github.com/tojoqk/pict-sexp.git

UPDATE

raco pkg update https://github.com/tojoqk/pict-sexp.git

UNINSTALL

raco pkg remove pict-sexp

USAGE

Save as "pict-fib.png".

#lang racket
(require pict)
(require pict-sexp)

(define pict-fib
  (pict-sexp
   '(define (fib n)
      (cond
        [(= n 0) 0]
        [(= n 1) 1]
        [else
         (+ (fib (- n 1))
            (fib (- n 2)))]))))

(send (pict->bitmap pict-fib) save-file "pict-fib.png" 'png)