Cooper, Peter (2009). Beginning Ruby: From Novice to Professional. Beginning from Novice to Professional (2nd ed.). Berkeley: APress. p. 101. ISBN1-4302-2363-4. To a lesser extent, Python, LISP, Eiffel, Ada, and C++ have also influenced Ruby.
↑Burks, Tim. "About Nu™". Programming Nu™. Neon Design Technology, Inc. Archived frae the original on 24 Julie 2011. Retrieved 21 Julie 2011.
↑Lattner, Chris (3 Juin 2014). "Chris Lattner's Homepage". Chris Lattner. Retrieved 3 Juin 2014. The Swift language is the product of tireless effort from a team of language experts, documentation gurus, compiler optimization ninjas, and an incredibly important internal dogfooding group who provided feedback to help refine and battle-test ideas. Of course, it also greatly benefited from the experiences hard-won by many other languages in the field, drawing ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far ower mony others to list.