Re: Short, simple - Why doesn't it work as a function
- To: mathgroup at smc.vnet.net
- Subject: [mg71804] Re: Short, simple - Why doesn't it work as a function
- From: "dimitris" <dimmechan at yahoo.com>
- Date: Wed, 29 Nov 2006 02:56:56 -0500 (EST)
- References: <ekh7e4$sd0$1@smc.vnet.net>
Clear["Global`*"]
why[x_List] := ({#1, a} & ) /@ x
why[{a, b, c}]
{{a, a}, {b, a}, {c, a}}
Regards
Dimitris
wooks wrote:
> {#, a} & /@ {a, b, c}
>
> gives {{a, a}, {b, a}, {c, a}} which is what i want.
>
> why[x_List] := {#, a} & /@ x;
> why[{a, b, c}]
>
> gives.
>
> {{a, a}, {{b, a}, {{c, a}, {}}}}
>
> not what I want.
>
> I've checked the FullForms and they are different - why??