shad-go/lectures/11-runtime/pool/main.go

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package main
import (
"net/http"
"sync"
)
var pool = sync.Pool{
New: func() any {
return &Decoder{}
},
}
type Decoder struct {
buf [1 << 20]byte
}
func New() *Decoder {
return pool.Get().(*Decoder)
}
func (c *Decoder) Close() {
pool.Put(c)
}
func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
d := New()
d.Close()
})
}