can anyone point to resources to refer in case I like to write my own c# to objective C converter? looks like this is the next big wave in cross platform comput

can anyone point to resources to refer in case I like to write my own c# to objective C converter? looks like this is the next big wave in cross platform computing. It is truly amazing, Saves you ton of time. Zuck also mentioned about facebook working on cross-platform platorm in last year's f8 conf.