No, strings are not necessarily unique. The places where a direct compare occurs are safe because these are places where the interpreter itself set the value being tested. A null string is not necessary unique either, though there are lots of places where the global version is returned if a null string is generated.
Rick On Sat, Apr 18, 2020 at 12:14 PM Erich Steinböck <erich.steinbo...@gmail.com> wrote: > The interpreter doesn't guarantee that String objects are unique, i. e. at > most one copy of e. g. a string "FUNCTION" can exist, does it? > > Most of the interpreter code uses strCompare(GlobalNames::NNN), but there > are rare exceptions doing a direct compare like == GlobalNames::NULLSTRING > or == GlobalNames::FUNCTION. > > Is a null string always unique? > _______________________________________________ > Oorexx-devel mailing list > Oorexx-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oorexx-devel >
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