Function ExactArgs

pkg/usage/usage.go:30–39

Argument validation helper which emits a UsageError rather than a plain string error

(n int)

// Argument validation helper which emits a UsageError rather than a plain string error
func ExactArgs(n int) cobra.PositionalArgs {
	return func(cmd *cobra.Command, args []string) error {
		if len(args) != n {
			return NewUsageError(
				fmt.Sprintf("accepts %d arg(s), received %d", n, len(args)),
				cmd)
		}
		return nil
	}
}