Flow - Programming language

#127on PLDB

10Years Old

Download source code:

git clone https://github.com/facebook/flow

Javascript with static type checking.

Tags: programming language
Flow is developed on GitHub and has 22,082 stars
Early development of Flow happened in Facebook
Flow is written in JavaScript, JSON, OCaml, Expect, Bourne shell, Diff, Markdown, C, CSS, Make, C++, Dockerfile, SVG, JSX, YAML, Bash, PowerShell, Python
flow.org was registered in 2002
1 PLDB concepts link to Flow: Civet

Example from the web:

// @flow
function square(n: number): number {
  return n * n;
}

square("2"); // Error!

Language features

Feature	Supported	Example	Token
Comments	✓	// A comment
Line Comments	✓	// A comment	//
Semantic Indentation	X