rules:
  - id: use-writer-not-writestring
    patterns:
        - pattern: io.WriteString($W, string($VAR))
    message: "use $W.Write($VAR) instead of io.WriteString when $VAR is []byte"
    languages: [go]
    severity: ERROR
  - id: use-write-not-fprint
    patterns:
        - pattern: fmt.Fprint($W, string($VAR))
    message: "use $W.Write($VAR) instead of fmt.Fprint when $VAR is []byte"
    languages: [go]
    severity: ERROR
  - id: use-fprintf-not-write-fsprint
    patterns:
        - pattern: $W.Write([]byte(fmt.Sprintf($...VALS)))
    message: "use fmt.Fprintf($W, $...VALS) instead of fmt.Sprintf and []byte conversion"
    languages: [go]
    severity: ERROR