let question

[Jonathan Aquino]

If I do the following:

(use var_dump)
(let ([x 5]
      [y (+ x 1)])
  (var_dump y))

it prints out 1, not 6. So one let variable (y) can't refer to another let variable (x). Is that expected, or a bug?

Jonathan

[홍 민희]

That’s expected, and burrowed from Scheme’s semantics. We seem to need let* as well. See also: http://stackoverflow.com/a/16530812/383405

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[Jonathan Aquino]

I created a pull request for let*: https://github.com/lisphp/lisphp/pull/21
 
Jonathan