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cmd/compile/internal/abt: use strings.Builder
Since go1.17 is now used for bootstrapping. Change-Id: I5692ff4b38b7d9a279b20662ce5348ff34a2dde6 Reviewed-on: https://go-review.googlesource.com/c/go/+/427134 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Bryan Mills <bcmills@google.com> Reviewed-by: hopehook <hopehook@golangcn.org> Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: David Chase <drchase@google.com>
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@ -7,6 +7,7 @@ package abt
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import (
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"fmt"
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"strconv"
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"strings"
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)
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const (
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@ -326,39 +327,21 @@ func (t *T) Equals(u *T) bool {
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return t.root.equals(u.root)
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}
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// This doesn't build with go1.4, sigh
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// func (t *T) String() string {
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// var b strings.Builder
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// first := true
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// for it := t.Iterator(); !it.IsEmpty(); {
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// k, v := it.Next()
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// if first {
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// first = false
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// } else {
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// b.WriteString("; ")
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// }
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// b.WriteString(strconv.FormatInt(int64(k), 10))
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// b.WriteString(":")
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// b.WriteString(v.String())
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// }
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// return b.String()
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// }
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func (t *T) String() string {
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var b string
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var b strings.Builder
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first := true
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for it := t.Iterator(); !it.Done(); {
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k, v := it.Next()
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if first {
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first = false
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} else {
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b += ("; ")
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b.WriteString("; ")
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}
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b += (strconv.FormatInt(int64(k), 10))
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b += (":")
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b += fmt.Sprint(v)
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b.WriteString(strconv.FormatInt(int64(k), 10))
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b.WriteString(":")
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b.WriteString(fmt.Sprint(v))
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}
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return b
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return b.String()
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}
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func (t *node32) equals(u *node32) bool {
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