Function formatMessage

errs/types.go:16–21

formatMessage applies fmt.Sprintf only when args are present, so a caller passing a literal message with a stray "%" (e.g. "disk 100% full") is not rendered as "%!(NOVERB)". `go vet -printf` catches most accidental format misuse upstream; this guard makes the constructor safe even when the message s

(format string, args []any)

// format misuse upstream; this guard makes the constructor safe even when
// the message string is dynamically composed.
func formatMessage(format string, args []any) string {
	if len(args) == 0 {
		return format
	}
	return fmt.Sprintf(format, args...)
}

// Typed error types and their builder APIs.
//