10 features Apple 'stole' for the Swift programming language

http://www.infoworld.com/slideshow/155797/10-features-apple-stole-the-swift-programming-language-243934
http://www.inside.com.tw/2014/06/12/apple-swift

• Dictionaries (aka hash tables) -- from JavaScript
• Inferred data types -- from functional programming languages
• Data structure declarations -- from C# and Java
• String templating -- from Cold Fusion, JSP, and others
• Optional semicolons -- from JavaScript and Python
• Protocols (aka interfaces) -- from Java and C#
• Tuples -- from Lisp and Python
• Automatic reference (akin to garbage collection) -- from Java, C#, and (gasp) Objective-C
• Signed and unsigned integers -- C# and Objective-C
• Closures -- from Lisp and Scheme via JavaScript