On Fri, Sep 17, 2004 at 11:59:09AM +0200, Thomas Seiler wrote: : $?parrot Which version of parrot is perl running on
$?parrotversion would be which version of parrot we were compiled on. $*parrotversion would be which version of parrot we are running on. : $?parrot_runloop Which runloop is running ? Dynamically scoped, so $*parrot_runloop. : $?pid Which process ID : $?pwd Which working directoy : $?uid Which user ID All unknown to the compiler, so all * variables. : Will modules be able to add own / override existig "which"-variables ? At compile time, yes. : example: a module that provides threads, can it somehow add a : : $?thread Which tread am I in That would be $*thread. Current thread is unknown at compile time. : And is it possible to use these in macros aswell? Sure. That's part of the motivation. Larry
