C# does this with the readonly keyword, sounds like a good idea.

On 16 July 2012 13:25, Ferenc Kovacs <tyr...@gmail.com> wrote:
> Hi,
>
> The recent http://www.mail-archive.com/internals@lists.php.net/msg59301.html
> discussion
> made me wonder why did we decide not supporting the final keywords for
> properties as it would provide an easy way for read-only attributes (const
> would be a better choice in performance wise, but then you can only set it
> in your declaration where no dynamic expression is allowed.)
>
> I would like it to work the same way as it does in java(
> http://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.12.4) eg.
> you can set the initial value either in the declaration or later on, but
> after it is set, you can't change it, trying to do that would create a
> recoverable fatal error (or throwing an exception which extends
> RuntimeException).
>
> What do you think? Would this be viable? Is there any still-present reason
> why we shouldn't support that?
>
> --
> Ferenc Kovács
> @Tyr43l - http://tyrael.hu



-- 
Andrew Faulds (AJF)
http://ajf.me/

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