| package gax |
| |
| import "bytes" |
| |
| // XGoogHeader is for use by the Google Cloud Libraries only. |
| // |
| // XGoogHeader formats key-value pairs. |
| // The resulting string is suitable for x-goog-api-client header. |
| func XGoogHeader(keyval ...string) string { |
| if len(keyval) == 0 { |
| return "" |
| } |
| if len(keyval)%2 != 0 { |
| panic("gax.Header: odd argument count") |
| } |
| var buf bytes.Buffer |
| for i := 0; i < len(keyval); i += 2 { |
| buf.WriteByte(' ') |
| buf.WriteString(keyval[i]) |
| buf.WriteByte('/') |
| buf.WriteString(keyval[i+1]) |
| } |
| return buf.String()[1:] |
| } |
