The slices package in Go provides functions that work with slices of any type, allowing for efficient manipulation of slices through understanding memory representation. With Type parameters, functions like Index can be written once for all comparable slices. New functions like Delete make it easier to modify slices, ensuring proper memory management. Prior to Go 1.22, a memory leak issue with Delete was addressed by setting obsolete pointers to zero. The fix led to failing tests, highlighting the importance of handling return values correctly. The API improvements in the slices package help prevent memory leaks automatically, making it easier for developers to use these functions effectively.
https://go.dev/blog/generic-slice-functions