On Jul 10, 2008, at 3:11 PM, Oliver Saunders wrote: > I see this a lot but it doesn't work for me in IRB. Is a gem > required or > something? > >>> [1,2,3].map(&:to_s) > TypeError: wrong argument type Symbol (expected Proc) > from (irb):2 it's rails - basically class Symbol def to_proc sym = self lambda{|obj| obj.send sym} end end a @ http://codeforpeople.com/ -- we can deny everything, except that we have the possibility of being better. simply reflect on that. h.h. the 14th dalai lama