Method SetErr

command.go:302–304

SetErr sets the destination for error messages. If newErr is nil, os.Stderr is used.

(newErr io.Writer)

// SetErr sets the destination for error messages.
// If newErr is nil, os.Stderr is used.
func (c *Command) SetErr(newErr io.Writer) {
	c.errWriter = newErr
}

// SetIn sets the source for input data
// If newIn is nil, os.Stdin is used.