Jon Lang wrote: > Right. Still, there are times when duck-typing, flawed as it is, > might be exactly what is needed to resolve the problem at hand. I > forget who or in what context, but I vaguely recall someone posting an > article here that proposed the use of £ in signatures as a modifier to > mean "is like a" (i.e., accept anything that matches the given role's > set of methods; duck-typing) rather than "is a" or "does" (which, > respectively, check for inheritance or composition). (Could the > original poster please repost the link here for reference purposes?)
Found it: http://www.dlugosz.com/Perl6/polymorphism.pdf -- Jonathan "Dataweaver" Lang
