go_mod_demo
go mod init github.com/gsw945/go_mod_demo
go list -m all
go list -m -versions rsc.io/sampler
go list -m rsc.io/q...
go get rsc.io/sampler@v1.3
go doc rsc.io/quote/v3
go mod tidy
go test
go run .
# go run main.go
go build -o go_mod_demo.exe .
# go build -o go_mod_demo.exe main.go