On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda <jlah...@openjdk.org> wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
>> - qualified enum constants are supported for case labels.
>>
>> This change herein also includes removal record patterns in for each loop,
>> which may be split into a separate PR in the future.
>
> Jan Lahoda has updated the pull request incrementally with six additional
> commits since the last revision:
>
> - Fixing infinite loop where a binding pattern is replaced with a binding
> pattern for the same type.
> - Reflecting review comments.
> - Fixing exhaustiveness for unsealed supertype pattern.
> - No need to enable features after error reported.
> - SwitchBootstraps.typeSwitch should not initialize enum classes.
> - A prototype of avoiding enum initialization.
src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java line 170:
> 168: } else if (label instanceof EnumDesc<?> enumDesc) {
> 169: if (target.getClass().isEnum() &&
> 170: ((Enum<?>)
> target).describeConstable().stream().anyMatch(d -> d.equals(enumDesc))) {
probably a matter of style but isn't it a bit too much to use streams here?
there will be always only one element right?
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PR Review Comment: https://git.openjdk.org/jdk/pull/13074#discussion_r1170784311
