Commitd34e5d4

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wsjson: Add json.Encoder vs json.Marshal benchmark

json.Encoder is 42% faster than json.Marshal thanks to the memory reuse.goos: linuxgoarch: amd64pkg: nhooyr.io/websocket/wsjsoncpu: 12th Gen Intel(R) Core(TM) i5-1235UBenchmarkJSON/json.Encoder-12 3517579 340.2 ns/op 24 B/op 1 allocs/opBenchmarkJSON/json.Marshal-12 2374086 484.3 ns/op 728 B/op 2 allocs/opCloses#409

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wsjson
- wsjson_test.go

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`‎wsjson/wsjson_test.go‎`

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Original file line number	Diff line number	Diff line change
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	`1`	`+package wsjson_test`
	`2`	`+`
	`3`	`+import (`
	`4`	`+"encoding/json"`
	`5`	`+"io"`
	`6`	`+"strings"`
	`7`	`+"testing"`
	`8`	`+)`
	`9`	`+`
	`10`	`+funcBenchmarkJSON(b*testing.B) {`
	`11`	`+msg:= []byte(strings.Repeat("1234",128))`
	`12`	`+b.SetBytes(int64(len(msg)))`
	`13`	`+b.ReportAllocs()`
	`14`	`+b.Run("json.Encoder",func(b*testing.B) {`
	`15`	`+fori:=0;i<b.N;i++ {`
	`16`	`+json.NewEncoder(io.Discard).Encode(msg)`
	`17`	`+}`
	`18`	`+})`
	`19`	`+b.Run("json.Marshal",func(b*testing.B) {`
	`20`	`+fori:=0;i<b.N;i++ {`
	`21`	`+json.Marshal(msg)`
	`22`	`+}`
	`23`	`+})`
	`24`	`+}`

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Commitd34e5d4

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`‎wsjson/wsjson_test.go‎`

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