Const system names
retard
re at tard.com.invalid
Tue Feb 16 09:45:06 PST 2010
Tue, 16 Feb 2010 12:34:15 -0500, bearophile wrote:
> Lars T. Kyllingstad:
>
>>I don't agree that immutable should be the the default. The default
>>should be the most common case, which is mutable.<
>
> Is it true that mutables are the most common?
>
> Is it true that mutables will be the most common in D programs written
> few years from now? You must design a language for tomorrow, not for
> yesterday.
>
> Typing var " in the code is not that costly. While writing "immutable "
> often in the code is a lot of typing.
>
> Scala e Clojure like immutables, they are good for multicores :-)
>
> I've done a small search of the "val" and "var" attributes in Scala
> language:
>
> val (immutables):
> http://www.google.com/codesearch?q=%22val%22+lang%3Ascala 29_300
>
> var (variables):
> http://www.google.com/codesearch?q=%22var%22+lang%3Ascala 15_200
>
> It's not a scientific search, but shows that immutables are not that
> uncommon in Scala.
Note that also function parameters are val in scala unlike in java or d.
>From my experiences with various kinds of (functional) languages with
first class functional features, const values become the common case.
Why? Because everything can return a value, you don't need uninitialized
references.
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