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.

-- Kevin


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

Thanks,

Artem

-- Kevin


Nir Lisker wrote:
Hello,

A style guide for usage of 'var' has been published at
http://openjdk.java.net/projects/amber/LVTIstyle.html. Can we start using
this feature in contributions to OpenJFX?

- Nir

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