On 2020. Aug 20., at 23:43, Remi Forax <fo...@univ-mlv.fr> wrote: > > ----- Mail original ----- >> De: "Attila Szegedi" <szege...@gmail.com> >> À: "core-libs-dev" <core-libs-dev@openjdk.java.net> >> Envoyé: Jeudi 20 Août 2020 22:40:53 >> Objet: Review request for JDK-8251538: Modernize and lint Dynalink code > >> ... >> Oh, BTW, I really got an inspiration for adding “public static ClassValue<T> >> computingValue(Function<Class<?>, T> f)” method to ClassValue class, similar >> to >> Comparator.comparing. It’d allow lambdifying class values. (If you’re >> listening, John :-) I suspect it being in java.lang would be a JCP-level >> change >> so I kind-of don’t want to take it upon myself…) > > this is also very similar to > https://docs.oracle.com/en/java/javase/14/docs/api/java.base/java/lang/ThreadLocal.html#withInitial(java.util.function.Supplier) > > <https://docs.oracle.com/en/java/javase/14/docs/api/java.base/java/lang/ThreadLocal.html#withInitial(java.util.function.Supplier)> > > and the proposed signature doesn't have the right wildcards, it should be > public static ClassValue<T> computingValue(Function<? super Class<?>, ? > extends T> f)
Never change, Remi :-) > Thanks, >> Attila. > > regards, > Rémi Attila.
