Function stringOrStringer

checkers_test.go:90–98

stringOrStringer is copied from juju/testing

(value interface{})

// stringOrStringer is copied from juju/testing
func stringOrStringer(value interface{}) (string, bool) {
	result, isString := value.(string)
	if !isString {
		if stringer, isStringer := value.(fmt.Stringer); isStringer {
			result, isString = stringer.String(), true
		}
	}
	return result, isString
}