Go 1.21 shipped a preview of a change in Go 1.22 to make for loops less error-prone.

GoLang is an open-source programming language developed by Google, known for its simplicity, concurrency support, and performance. Developers can learn about GoLang's syntax, standard library, and concurrency primitives to build efficient and scalable software applications for various domains.

Fixing For Loops in Go 1.22.21 includes a preview of a change to loop scoping that we plan to ship in Go1.22. The change will fix the examples above, so that they are no longer buggy Go programs; it will end the production problems caused by such mistakes.