63825e7201
The representation of non empty interfaces defined in the interpreter is now identical between refType() and frameType() functions, which are used to generate interpreter objects. Fixes #1447 and #1426.
38 lines
630 B
Go
38 lines
630 B
Go
package main
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import (
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"strings"
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"sync"
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)
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// Define an interface of stringBuilder that is compatible with
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// strings.Builder(go 1.10) and bytes.Buffer(< go 1.10).
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type stringBuilder interface {
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WriteRune(r rune) (n int, err error)
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WriteString(s string) (int, error)
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Reset()
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Grow(n int)
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String() string
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}
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var builderPool = sync.Pool{New: func() interface{} {
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return newStringBuilder()
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}}
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func newStringBuilder() stringBuilder {
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return &strings.Builder{}
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}
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func main() {
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i := builderPool.Get()
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sb := i.(stringBuilder)
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_, _ = sb.WriteString("hello")
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println(sb.String())
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builderPool.Put(i)
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}
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// Output:
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// hello
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