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in reply to @ 2016-074.144ZYes, this is the strength and benefit of the SA clause. If there is someone specific you want to give permission to, you can just give them permission. You are the copyright holder, you can do whatever you want.
However, if you want people to use your work without sharing alike… then why choose SA at all?
in reply to @ 2016-073.924ZI mean, C is better than C++, but if you want to do new stuff you should look at Rust