What is this feature called?

[Pier Bover]

In this example there's a static function called rect() that accepts a Sprite as the first parameter, but instead of being called rect(mySprite, parameters) it's called mySprite.rect(parameters).

Is this right?
Is there some documentation that explains this feature?

[Greg Dove]

Sounds like using: http://haxe.org/manual/using

Greg Dove
Dove Software Development Ltd
http://greg-dove.com

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[Pier Bover]

Thanks!

Is this unique to Haxe?

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[Dan Korostelev]

I believe C# also has this feature, however the static functions must have explicit "this" modifier for their first argument.

понедельник, 7 апреля 2014 г., 9:16:20 UTC+4 пользователь Pier Bover написал:

[sergey miryanov]

In C# this feature called extension methods.

[Justin L Mills]

Also worth reading

http://scwn.net/2009/05/23/injecting-methods-into-haxe-classes-with-using/


Pier Bover:

> Thanks!
>
> Is this unique to Haxe?
>
>
> On Mon, Apr 7, 2014 at 12:12 AM, Greg Dove <greg...@gmail.com> wrote:
>
>> Sounds like using: http://haxe.org/manual/using
>>
>> Greg Dove
>> Dove Software Development Ltd
>> http://greg-dove.com
>>
>>
>> On Mon, Apr 7, 2014 at 5:08 PM, Pier Bover <pierb...@gmail.com> wrote:
>>

>>> In this example <http://haxe.org/doc/advanced/haxewithexteralc?lang=en> there's

[Simon Krajewski]

Am 07.04.2014 13:39, schrieb Justin L Mills:
> Also worth reading
>
> http://scwn.net/2009/05/23/injecting-methods-into-haxe-classes-with-using/
>

The term "injecting" is misleading because it suggests modification.
Static extensions are syntactical and transform `e.f(a)` to `C.f(e, a)`
where f is a field name and C is the class containing this field. It
might appear to the user that the method has been "injected" in some way
because it is used like any real class method, but this makes matters
more confusing when thinking about "injecting" a method into a different
kind of type, such as a function.

Simon

[Juraj Kirchheim]

It's settled:"method adjection" ;)