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27 lines
367 B
Go
27 lines
367 B
Go
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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