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  1.  Home
  2. RPG400-L
  3. January 2010

Re: RPGV?

A new function may be usefull, sonething like "SCAM" for SCAN MULTIPLE.

Functions usualy return 1 value, in older times the value was returned
in the "acumulator" or in the register where it can be used directly in
arithmetic. An array requires a pointer, but so does a string.


M. Lazarus wrote:
Hans,

Do you think that for this particular function (%SCAN), allowing
this flexibility would be a bad or nasty thing?

-mark


At 1/11/10 04:30 PM, you wrote:
M. Lazarus wrote:
Simon,

Although not something that I use a lot, probably the most useful
opcode that does not have a full equivalent is the SCAN opcode, with a
numeric array as the result field. I don't understand why that one got
short-changed during the implementation of the %Scan() BIF.

I can only think of one other programming language where a built-in
function may return either a scalar or a list. That is just one of many
features that makes Perl such a nasty language to use.

Cheers! Hans



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