Programs handle data. A "box" used to temporarily store that data is called a variable. For example, if you put information like a name or age into a variable, you ...

Superstruct makes it easy to define interfaces and then validate JavaScript data against them. Its type annotation API was inspired by Typescript, Flow, Go, and GraphQL, giving it a familiar and easy ...

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

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This is a library to define sum type constructors and open values by matching against different constructors. The package will help you to write more readable, robust, and expressive Javascript code.