+1
Paul.
> On Feb 7, 2020, at 4:17 AM, Claes Redestad wrote:
>
> Hi,
>
> in our immutable map implementations, it's unnecessary for getOrDefault
> to check containsKey(key) in case get(key) returns null. This follows
> since null values are disallowed.
>
> Overriding the method with an impleme
Hi Rémi,
On 2020-02-07 15:21, Remi Forax wrote:
Hi Claes,
looks good,
thanks!
it can be written in a less Doug Lea-ish way like this
V v = get(key);
return (v != null)? v: default;
I believe it using the same number of bytecodes :)
with a ALOAD instead of a DUP
yes, but I have no s
: "core-libs-dev"
> Envoyé: Vendredi 7 Février 2020 13:17:40
> Objet: RFR: 8238684: Override getOrDefault in immutable Map implementations
> Hi,
>
> in our immutable map implementations, it's unnecessary for getOrDefault
> to check containsKey(key) in case get(key) r
Hi,
in our immutable map implementations, it's unnecessary for getOrDefault
to check containsKey(key) in case get(key) returns null. This follows
since null values are disallowed.
Overriding the method with an implementation is a reasonable
optimization, for example a 50% improvement on the adde