mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 06:50:00 +00:00
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// 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"
|
|
)
|
|
|
|
// 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 []error
|
|
|
|
// NewMultiError returns a *MultiError with
|
|
// the capacity of its underlying error slice
|
|
// set to the provided value.
|
|
//
|
|
// This capacity can be exceeded if necessary,
|
|
// but it saves a teeny tiny bit of memory if
|
|
// callers set it correctly.
|
|
//
|
|
// If you don't know in advance what the capacity
|
|
// must be, just use new(MultiError) instead.
|
|
func NewMultiError(capacity int) MultiError {
|
|
return make([]error, 0, capacity)
|
|
}
|
|
|
|
// Append the given error to the MultiError.
|
|
func (m *MultiError) Append(err error) {
|
|
(*m) = append((*m), err)
|
|
}
|
|
|
|
// Append the given format string to the MultiError.
|
|
//
|
|
// It is valid to use %w in the format string
|
|
// to wrap any other errors.
|
|
func (m *MultiError) Appendf(format string, args ...any) {
|
|
err := newfAt(3, format, args...)
|
|
(*m) = append((*m), err)
|
|
}
|
|
|
|
// Combine the MultiError into a single error.
|
|
//
|
|
// Unwrap will work on the returned error as expected.
|
|
func (m MultiError) Combine() error {
|
|
return errors.Join(m...)
|
|
}
|