learning-sicp

My embarrassing half assed SICP run.
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set-front-ptr.scm (185B)

      1 (define-library (sicp solutions 3_23 set-front-ptr)
      2   (import (scheme base))
      3 
      4   (export set-front-ptr!)
      5 
      6   (begin
      7     (define (set-front-ptr! deque item)
      8       (set-car! deque item))))