Re: Default value in Closure

Niranjan Ghule <[email protected]>
Newsgroups gmane.comp.lang.groovy.user
Message-ID <CAPUVqh_LgjcZjbLvk3X5Tqnd_O5yTWsgiAPrX12oji1fA3s7+A@mail.gmail.com>
Hi Paul,

Thanks for sharing this.

I agree with you on making it clearer by restating it perhaps by adding
link you mentioned after the code snippet in documentation.

I can raise a PR if you think it's a good idea.


Thanks and Regards
Niranjan

On Wed, 30 Mar 2022, 5:32 pm Paul King, <[email protected]> wrote:

> Perhaps the documentation around methods/constructors[1] is clearest:
> "Parameters are dropped from the right, however mandatory parameters
> are never dropped."
>
> So the following is fine (showing it's not just the last parameter):
>
> def clos = { a, b = 2, c = 100 -> a * b + c }
> assert clos(5, 4, 1) == 21
> assert clos(5, 4) == 120
> assert clos(5) == 110
>
> The Closure documentation[2] indicates that it follows the same
> principle as methods but perhaps
> could be restated to make it clearer.
>
> Cheers, Paul.
>
> ===========
>
> [1] Method doco:
> https://docs.groovy-lang.org/latest/html/documentation/#_default_arguments
> [2] Closure doco:
> https://docs.groovy-lang.org/latest/html/documentation/#_normal_parameters
>
>
> On Wed, Mar 30, 2022 at 1:36 PM Niranjan Ghule <[email protected]>
> wrote:
> >
> > Hi Team,
> >
> > In Closure with default values in parameters, only the last parameter
> can have a default value, isn't it?
> >
> > We can add this detail in documentation.
>
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