On Sat, 21 Mar 2009, Flávio Etrusco wrote:
> >> > >> Can anyone say why there is no string case statement in Object Pascal? > >> I've > >> always wondered about this as sometimes it hard to avoid 10-20 > >> If..then..else > >> if.... statements. > >> > >> Would the compiled code of a string case statement even be any more > >> efficient or > >> is the benefit mostly in code readability? > > > > In the case of strings, it would mostly be code readability. For ordinal > > types, a case statement can be optimized using jump tables. > > > > Michael. > > A string case could be optimized with compile-time hashes or something else. Even so, there are some serious issues with a string 'case' as a language construct: - What about encodings ? - Should it be case sensitive or not ? I don't think that these can be solved in a satisfying manner on a language level. Michael.
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