Method SetUsageTemplate

command.go:318–324

SetUsageTemplate sets usage template. Can be defined by Application.

(s string)

// SetUsageTemplate sets usage template. Can be defined by Application.
func (c *Command) SetUsageTemplate(s string) {
	if s == "" {
		c.usageTemplate = nil
		return
	}
	c.usageTemplate = tmpl(s)
}

// SetFlagErrorFunc sets a function to generate an error when flag parsing
// fails.