JEP 286: Local-Variable Type Inference: Usage
kevin.rushforth at oracle.com
Thu Mar 29 18:41:37 UTC 2018
I tend to agree, so I would prefer to see them used judiciously. The
write-up by Stuart (referenced below) raised some good points about when
to use them vs when you might not want to.
Artem Ananiev wrote:
> On 2018/03/29 9:36, Kevin Rushforth wrote:
>> As a prerequisite, we would need to update the minimum boot JDK to JDK
>> 10, which I was going to propose doing anyway -- it seems the right time
>> now that JDK 10 is out.
>> I have no objections to then allowing the use of 'var' in new code.
>> Do any others have any concerns?
> My personal experience with "var"s - they are used a lot in Scala, for
> example - is they make code very unreadable, especially when working
> with collections and streams. The only case when a "var" is suitable
> is new object creation:
> var object = new SomeType()
> In all other cases they are more painful than valuable.
> I can say it differently. It's very easy to use "var"s wrong. No
> matter what style guides are available, people will often use them in
> a way that makes code less readable.
> Just my $0.02
>> -- Kevin
>> Nir Lisker wrote:
>>> A style guide for usage of 'var' has been published at
>>> http://openjdk.java.net/projects/amber/LVTIstyle.html. Can we start
>>> this feature in contributions to OpenJFX?
>>> - Nir
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