o0lwj0o 4305e9ccf8 improve performance ... see https://stackoverflow.com/questions/44334233/why-is-the-stringbuilder-chaining-pattern-sb-appendx-appendy-faster-than-reg/44338950		2018-08-31 15:38:46 +08:00
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talk	improve performance	2018-08-31 15:38:46 +08:00