Re: Are procedure types breaking modules?

Article View: comp.lang.modula2

Article #4786

#4786

From: Urs Hoelzle
Date: Tue, 25 Apr 1989 15:55

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>are not allowed.  Why is it that you are not allowed to assign a
>local procedure to a procedure variable ? 

If you assign a local procedure to a procedure variable and if this
procedure accesses (local) variables of the enclosing procedure(s),
you will get into trouble when calling it because the activation
records of the enclosing procedures do not exist. 

-Urs

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!decwrl!labrea!polya!hoelzle
From: hoelzle@polya.Stanford.EDU (Urs Hoelzle)
Newsgroups: comp.lang.modula2
Subject: Re: Are procedure types breaking modules?
Keywords: procedure types, modules
Message-ID: <8752@polya.Stanford.EDU>
Date: 25 Apr 89 15:55:11 GMT
References: <688@tuvie> <849@htsa.uucp>
Sender: Urs Hoelzle <hoelzle@polya.Stanford.EDU>
Reply-To: hoelzle@polya.Stanford.EDU (Urs Hoelzle)
Organization: Stanford University
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