|Re: PL/I, was How to implement lexical closures? firstname.lastname@example.org (Gene Wirchenko) (2010-05-17)|
|Re: PL/I, was How to implement lexical closures? email@example.com (mac) (2010-05-25)|
|Date:||Tue, 25 May 2010 11:50:39 +0000 (UTC)|
|Organization:||A noiseless patient Spider|
|Posted-Date:||26 May 2010 01:00:41 EDT|
> IIRC, the PL/I term was "task".
And, to continue with old terminology, PL/I has "downward" funargs
(passing a function into a procedure), but not upward (returning a
function from a procedure). It's the programmer's responsibility to make
sure the function's environment is in scope when called - just like it's
the programmer's responsibility to make sure a pointer's storage is
allocated when it's dereferenced.
mac the naif
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