[parenscript-devel] [PATCH] Extend CHAIN to support slot-values

[Vladimir Sedach]

Pushed. Thanks for the patch Daniel!

On Thu, Sep 10, 2009 at 11:33 PM, Daniel White <daniel at whitehouse.id.au> wrote:
> For example:
> (chain ($ "foo") (bar x z) frob (baz 5) =>
>  $('foo').bar(x, z).frob.baz(5);
> ---
>  src/lib/ps-macro-lib.lisp |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/src/lib/ps-macro-lib.lisp b/src/lib/ps-macro-lib.lisp
> index be90b79..2ef7d82 100644
> --- a/src/lib/ps-macro-lib.lisp
> +++ b/src/lib/ps-macro-lib.lisp
> @@ -84,7 +84,9 @@
>  (defpsmacro chain (&rest method-calls)
>   (labels ((do-chain (method-calls)
>              (if (cdr method-calls)
> -                 `((@ ,(do-chain (cdr method-calls)) ,(caar method-calls)) ,@(cdar method-calls))
> +                 (if (listp (car method-calls))
> +                     `((@ ,(do-chain (cdr method-calls)) ,(caar method-calls)) ,@(cdar method-calls))
> +                     `(@ ,(do-chain (cdr method-calls)) ,(car method-calls)))
>                  (car method-calls))))
>     (do-chain (reverse method-calls))))
>
> --
> 1.6.4.2
>
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