[fpc-pascal] Re: Visitor pattern

2011-01-28 Thread Graeme Geldenhuys
Op 2011-01-24 12:35, Juha Manninen het geskryf: > > Is this visitor pattern something that I should care about? > I have programmed quite much and never needed it. The Visitor pattern is extremely handy. tiOPF use in for so much, from find objects, changing properties over many objects, processin

[fpc-pascal] Re: Visitor pattern (was: Weird interface behavior)

2011-01-24 Thread leledumbo
I'm writing a compiler. Using visitor pattern it's damn easy to add more backends, such as pretty printer, interpreter, etc. -- View this message in context: http://free-pascal-general.1045716.n5.nabble.com/Weird-interface-behavior-tp3353651p3354498.html Sent from the Free Pascal - General maili