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//
// Copyright 2024 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package expr
import (
"sync"
)
var (
expressionPool sync.Pool
)
func newExpression() *Expr {
if v := expressionPool.Get(); v == nil {
return new(Expr)
} else {
return resetExpression(v.(*Expr))
}
}
func freeExpression(p *Expr) {
expressionPool.Put(p)
}
func resetExpression(p *Expr) *Expr {
*p = Expr{}
return p
}
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