Planned features of a classfile context object

[Brian Goetz]

A few more words on this suggestion.  As of Java 21, we have integrated 
treatment of enums and sealed types in switch, so you can freely mix:

     sealed interface Option { }
     enum FooOption implements Option { FOO_YES, FOO_NO; }
     record BarOption(int maxBars) implements Option { }

so that options representing "constants" could be handled as enums 
rather than records, and options representing data holders (e.g., 
attribute mappers) are records, and the two can be mixed.

The use site can do:

     ClassfileContext cc = CC.of(FooOption.FOO_YES, new BarOption(7))

and a switch over Option can mix enums and record patterns.

It is probably worth considering recasting some boolean-holder options 
as enums.

On 5/19/2023 11:40 AM, Adam Sotona wrote:
>
>     enum ProcessDebugOptions implements Option {
>         DROP_DEBUG, DROP_DEBUG_ON_READ, DROP_DEBUG_ON_WRITE;
>     }
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