Re: new functional operator
- To: mathgroup at smc.vnet.net
- Subject: [mg125285] Re: new functional operator
- From: noqsiaerospace at gmail.com
- Date: Sun, 4 Mar 2012 04:35:33 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jit0me$e32$1@smc.vnet.net>
On Saturday, March 3, 2012 8:52:46 PM UTC+9, roby wrote:
> Dear Group and Mathematica staff.
>
> In the functional programming spirit I am missing a postfix notation
> for Map[ ].
How about:
RightVector[a_,f_]:=Map[f, a]
RightVector[a_,more__]:=RightVector[Map[{more}[[1]],a],Sequence@@Drop[{more},1]]
Then:
{1,2,3}\[RightVector](#^2&)\[RightVector]g
yields:
{g[1],g[4],g[9]}
(it looks nicer in a notebook)