flow

flow
17 Language Reference
Arrays Built-in Types Classes Declarations Destructuring Disjoint Unions Dynamic Type Tests Functions Maybe Types Modules Objects React Type Aliases Typeof Union and Intersection Types Utility Types Variance
2 Miscellaneous
Quick Reference Syntax
1 Quick Start
Five simple examples
8 User Guide
Advanced Configuration Checking third-party code Running Flow code Running Flow on existing code Starting a new Flow project Troubleshooting Type Annotations Using the CLI

flow