Method PrintOnErrorf

header_printer.go:228–239

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

(format string, a ...any)

// If every error is nil, nothing will be printed.
// This can be used for simple error checking.
func (p *HeaderPrinter) PrintOnErrorf(format string, a ...any) *TextPrinter {
	for _, arg := range a {
		if err, ok := arg.(error); ok {
			if err != nil {
				p.Println(fmt.Errorf(format, err))
			}
		}
	}

	tp := TextPrinter(p)
	return &tp
}