F# vs Hack: What are the differences?
Developers describe F# as "Strongly-typed, functional-first programming language for writing simple code to solve complex problems". F# is a mature, open source, cross-platform, functional-first programming language. It empowers users and organizations to tackle complex computing problems with simple, maintainable and robust code. On the other hand, Hack is detailed as "A programming language for HHVM that interoperates seamlessly with PHP". Hack provides instantaneous type checking via a local server that watches the filesystem. It typically runs in less than 200 milliseconds, making it easy to integrate into your development workflow without introducing a noticeable delay.
F# and Hack can be primarily classified as "Languages" tools.
"Pattern-matching" is the primary reason why developers consider F# over the competitors, whereas "Interoperates seamlessly with php" was stated as the key factor in picking Hack.
F# is an open source tool with 2.09K GitHub stars and 341 GitHub forks. Here's a link to F#'s open source repository on GitHub.
According to the StackShare community, F# has a broader approval, being mentioned in 19 company stacks & 16 developers stacks; compared to Hack, which is listed in 8 company stacks and 3 developer stacks.