golang.org/x/net/http2.Transport.connPoolOnce (field)
2 uses
golang.org/x/net/http2 (current package)
transport.go#L178: connPoolOnce sync.Once
transport.go#L277: t.connPoolOnce.Do(t.initConnPool)
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)