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