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explicit stack allocation and implicit gc

Name: Anonymous 2011-12-23 1:05



int* f() {

  int a = 2; // <<---

  return &a; // uses escape analysis to determine that a must be an object in a garbage collected heap, or a reference counted object on the heap, since ints can't reference other stuff to make cycles.

}



int* f() {

  stack int a = 2;

  return &a; // uses escape analysis to determine that this will lead to memory errors, and wont compile.

}

what doya think?

Name: Anonymous 2011-12-23 1:15

Cool code. Try this instead:



(defun read-text (stream)

  (when stream

    (loop for line = (read-line stream nil)

     while line do (format t "~a~%" line))))

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explicit stack allocation and implicit gc

1 Name: Anonymous 2011-12-23 1:05

2 Name: Anonymous 2011-12-23 1:15

Name: Anonymous 2011-12-23 1:05

Name: Anonymous 2011-12-23 1:15