I'd recommend looking at @weakify and @strongify that come with libextobjc (https://github.com/jspahrsummers/libextobjc/ https://github.com/jspahrsummers/libext

I'd recommend looking at @weakify and @strongify that come with libextobjc (https://github.com/jspahrsummers/libextobjc/ https://github.com/jspahrsummers/libextobjc/). Handy little helpers to avoid retain cycles with all kind of blocks.