4. 4 いっちょやってみっか! go get github.com/xxxxx/xxxxx $ go get github.com/syossan27/kirimori package github.com/syossan27/kirimori: cannot download, $GOPATH not set. For more details see: go help gopath 5. 5 いっちょやってみっか! go get github.com/xxxxx/xxxxx $ go get github.com/syossan27/kirimori package github.com/syossan27/kirimori: cannot download, $GOPATH not set. For more details see: go help gopath