Swift code is interactive and fun to write. The syntax is concise and expressive, and Swift has modern features developers love. Swift code is safe and produces software that runs lightning fast. Swift is the result years of experience building Apple platforms and the most recent research on programming languages. Swift's APIs are easy to understand and maintain because the names of parameters are written in a simple syntax. You don't even have to use semi-colons. Modules eliminate headers and provide namespaces, while inferred types make code more readable and less likely to be misinterpreted. Strings support international languages and emoji best. They are Unicode-correct and use UTF-8-based encoding to maximize performance for a wide range of use cases. Concurrent code can be written with simple keywords that define asynchronous behavior. This makes your code easier to read and less likely to make errors.