according to the Cocoa documentation, the function Class NSClassFromString(NSString *aClassName) should return nil, if aClassName is nil
according to the Cocoa documentation, the function Class NSClassFromString(NSString *aClassName) should return nil, if aClassName is nil

berkus/cocotron,uptime-services/development-arts,liruqi/cocotron,liruqi/cocotron,mpw/marcelweiher-libobjc2,mpw/marcelweiher-libobjc2,liruqi/cocotron,uptime-services/development-arts,berkus/cocotron,berkus/cocotron,mpw/marcelweiher-libobjc2,uptime-services/development-arts,mpw/marcelweiher-libobjc2,uptime-services/development-arts,liruqi/cocotron,berkus/cocotron