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In xcode when using the following:
friend:(NSString*)friend
friend is has the color red, like (id) is red – is friend a reserved word or something?
It work allright, it is just the editor that displays it as red?
Regards
XCode is also an editor for C and C++; in C++ friend is a valid keyword.
Its worth mentioning that you can have C++ classes within an Objective-C project.