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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gtserror
import (
"errors"
"fmt"
"strings"
)
// MultiError allows encapsulating multiple errors under a singular instance,
// which is useful when you only want to log on errors, not return early / bubble up.
type MultiError []string
func (e *MultiError) Append(err error) {
*e = append(*e, err.Error())
}
func (e *MultiError) Appendf(format string, args ...any) {
*e = append(*e, fmt.Sprintf(format, args...))
}
// Combine converts this multiError to a singular error instance, returning nil if empty.
func (e MultiError) Combine() error {
if len(e) == 0 {
return nil
}
return errors.New(`"` + strings.Join(e, `","`) + `"`)
}
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