Files
proton-bridge/internal/safe/slice.go
2022-11-16 12:26:09 +01:00

65 lines
1.4 KiB
Go

// Copyright (c) 2022 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
package safe
import (
"sync"
"github.com/bradenaw/juniper/xslices"
)
type Slice[Val comparable] struct {
data []Val
lock sync.RWMutex
}
func NewSlice[Val comparable](from ...Val) *Slice[Val] {
s := &Slice[Val]{
data: make([]Val, len(from)),
}
copy(s.data, from)
return s
}
func (s *Slice[Val]) Iter(fn func(val Val)) {
s.lock.RLock()
defer s.lock.RUnlock()
for _, val := range s.data {
fn(val)
}
}
func (s *Slice[Val]) Append(val Val) {
s.lock.Lock()
defer s.lock.Unlock()
s.data = append(s.data, val)
}
func (s *Slice[Val]) Delete(val Val) {
s.lock.Lock()
defer s.lock.Unlock()
s.data = xslices.Filter(s.data, func(v Val) bool {
return v != val
})
}