Re: Destructuring arguments to pure functions?

*To*: mathgroup at smc.vnet.net*Subject*: [mg95776] Re: Destructuring arguments to pure functions?*From*: Stoney Ballard <stoneyb at gmail.com>*Date*: Tue, 27 Jan 2009 06:57:10 -0500 (EST)*References*: <gjad0c$p4b$1@smc.vnet.net> <glk1oa$lq3$1@smc.vnet.net>

Very creative, but I'd be concerned about breaking some assumptions in the kernel. It would also confuse anyone reading the code. Still, a very interesting solution. I didn't know that you could do that. On Jan 26, 5:02 am, dreeves <dree... at gmail.com> wrote: > I'm curious what you all think of this idea: > > Unprotect[Integer]; > 1[x_] := x[[1]] > 2[x_] := x[[2]] > 3[x_] := x[[3]] > 4[x_] := x[[4]] > 5[x_] := x[[5]] > 6[x_] := x[[6]] > 7[x_] := x[[7]] > 8[x_] := x[[8]] > 9[x_] := x[[9]] > Protect[Integer]; > > and then > > 1@# + 2@# & /@ testList > > It seems to be very slow in the current version of Mathematica but it > seems like a concise/elegant way to avoid the clunky yet oft-typed # > [[n]] (ie, replacing it with n@# or n[#]). > > Perhaps more generally, other sensible behavior could be defined for > expressions with non-symbols as the Head for which the meaning is > currently undefined. >