1 // Copyright (c) 2016 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package buffer 22 23 import ( 24 "go.uber.org/zap/internal/pool" 25 ) 26 27 // A Pool is a type-safe wrapper around a sync.Pool. 28 type Pool struct { 29 p *pool.Pool[*Buffer] 30 } 31 32 // NewPool constructs a new Pool. 33 func NewPool() Pool { 34 return Pool{ 35 p: pool.New(func() *Buffer { 36 return &Buffer{ 37 bs: make([]byte, 0, _size), 38 } 39 }), 40 } 41 } 42 43 // Get retrieves a Buffer from the pool, creating one if necessary. 44 func (p Pool) Get() *Buffer { 45 buf := p.p.Get() 46 buf.Reset() 47 buf.pool = p 48 return buf 49 } 50 51 func (p Pool) put(buf *Buffer) { 52 p.p.Put(buf) 53 } 54