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Stak Scheme

set!

Set a global variable

Given a file named “main.scm” with:

(import (scheme base))


(define x #f)
(set! x 65)
(write-u8 x)

When I successfully run scheme main.scm

Then the stdout should contain exactly “A”.

Set a local variable

Given a file named “main.scm” with:

(import (scheme base))


(let ((x #f))
  (set! x 65)
  (write-u8 x))

When I successfully run scheme main.scm

Then the stdout should contain exactly “A”.