So the (real) continuation (saved in a global variable) could be called even after
the body of call_cc returned?
I see. If the function call activation frames are treated just like everything else, and there is no special action for "going out of scope", keeping a live reference to it is just like any other closure.
In Perl 6 we'll have to watch it because of the mechanism for having block-exit code in a finally clause or added dynamically by a caller. What would that do, if one can exit more times than enter?! (I have some ideas of what it should mean, but that's for another thread)
Are you posting in the right place? Check out Where do I post X? to know for sure.
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.