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Under the hood, BPattern builds a pattern AST using the same pattern node classes as the rewrite engine. All the original matching and rewriting machinery is still there — just wrapped in a more approachable, scriptable interface.
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
strict.writer.write(chunk3); // ok (queued in pending)
So, how does OsmAnd use this structure to calculate your route at lightning speed? It's a multi-step process: