mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-23 10:42:12 +00:00
50 lines
1.2 KiB
Go
50 lines
1.2 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 paging
|
||
|
|
|
||
|
|
// Reverse will reverse the given input slice.
|
||
|
|
func Reverse(in []string) []string {
|
||
|
|
var (
|
||
|
|
// Start at front.
|
||
|
|
i = 0
|
||
|
|
|
||
|
|
// Start at back.
|
||
|
|
j = len(in) - 1
|
||
|
|
)
|
||
|
|
|
||
|
|
for i < j {
|
||
|
|
// Swap i,j index values in slice.
|
||
|
|
in[i], in[j] = in[j], in[i]
|
||
|
|
|
||
|
|
// incr + decr,
|
||
|
|
// looping until
|
||
|
|
// they meet in
|
||
|
|
// the middle.
|
||
|
|
i++
|
||
|
|
j--
|
||
|
|
}
|
||
|
|
|
||
|
|
return in
|
||
|
|
}
|
||
|
|
|
||
|
|
// zero is a shorthand to check a generic value is its zero value.
|
||
|
|
func zero[T comparable](t T) bool {
|
||
|
|
var z T
|
||
|
|
return t == z
|
||
|
|
}
|