go str 源码
golang str 代码
文件路径：/src/cmd/vendor/golang.org/x/sys/plan9/str.go
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build plan9
// +build plan9
package plan9
func itoa(val int) string { // do it here rather than with fmt to avoid dependency
if val < 0 {
return "-" + itoa(-val)
}
var buf [32]byte // big enough for int64
i := len(buf) - 1
for val >= 10 {
buf[i] = byte(val%10 + '0')
i--
val /= 10
}
buf[i] = byte(val + '0')
return string(buf[i:])
}
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