[fpc-pascal] Undocumented SetLength functionality

Sven Barth pascaldragon at googlemail.com
Tue May 15 14:12:01 CEST 2018

Torsten Bonde Christiansen <tc at epidata.info> schrieb am Di., 15. Mai 2018,

> Is this a feature, bug or undocumented behaviour?

This is a feature and absolutely by design.

> Afair, this was allowed back in Delphi7 (which is where i copied some of
> my old code from), but i'm not sure whether it was documented.
> At least the current RTL documentation on SetLength does not include
> other variants than the one with just a single length specifier.
> https://www.freepascal.org/docs-html/rtl/system/setlength.html

While it's not explicitly mentioned it's at least used in one f the
examples for dynamic arrays in the language guide:
Maybe this can indeed be clarified a bit.


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