File: indent.go

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package util

func Indent(s, prefix string) string {
	return string(IndentBytes([]byte(s), []byte(prefix)))
}

func IndentBytes(b, prefix []byte) []byte {
	var res []byte
	bol := true
	for _, c := range b {
		if bol && c != '\n' {
			res = append(res, prefix...)
		}
		res = append(res, c)
		bol = c == '\n'
	}
	return res
}