GoToSocial/internal/util/ptr.go

44 lines
1.3 KiB
Go
Raw Normal View History

// 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 util
// EqualPtrs returns whether the values contained within two comparable ptr types are equal.
func EqualPtrs[T comparable](t1, t2 *T) bool {
switch {
case t1 == nil:
return (t2 == nil)
case t2 == nil:
return false
default:
return (*t1 == *t2)
}
}
// Ptr returns a pointer to the passed in type
func Ptr[T any](t T) *T {
return &t
}
// PtrValueOr returns either value of ptr, or default.
func PtrValueOr[T any](t *T, _default T) T {
if t != nil {
return *t
}
return _default
}