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Message from discussion NCI sub call syntax in PIR
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Leopold Toetsch  
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 More options May 6 2004, 3:12 am
Newsgroups: perl.perl6.internals
From: l...@toetsch.at (Leopold Toetsch)
Date: Thu, 06 May 2004 09:12:24 +0200
Local: Thurs, May 6 2004 3:12 am
Subject: [CVS ci] NCI sub call syntax in PIR
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A bit less typing for NCI calls:

1) declare the pmc type as NCI

   .local NCI the_sub
    # get it from somewhere e.g.:
    # the_sub = global "ncurses::initscr"

2) just call it:

    r = the_sub(args)

Works only for named subs of course.

This saves a savetop/restoretop pair and creating a return continuation,
because a plain "invoke" is emitted for the function call.

t/pmc/nci.t has an example too

Have fun,
leo


 
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