set data structure for golang.
- https://github.com/avelino/awesome-go#data-structures
- https://github.com/scylladb/go-set
- https://github.com/deckarep/golang-set
- https://github.com/Workiva/go-datastructures#set
- https://github.com/yourbasic/bit
- https://github.com/xtgo/set
- https://github.com/goware/set
- https://github.com/zoumo/goset
See CHANGELOG.