Example Use case for this library import "github.com/cloudfoundry/multierror" errors := multierror.MultiError{} err1 := FirstFuncThatReturnsError() err2 := SecondFuncThatReturnsError() errors.Add(err1) errors.Add(err2) //You can also add multierror structs and they will be flattened into one struct errors2 := multierror.MultiError() errors2.Add(err1) errors.Add(errors2) errors.Error()