dennis zhuang

尝试一些后端优化

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* [x] 常量折叠 * [x] 常量池 * [ ] 公共子表达式提取 * [ ] 类型特化 * [ ] scope 消减合并

Just like lua 5.4 variable attribute, for example: ```js let c = 1; c = 2; ##report error ``` c is declared to be const, it can't be assigned a...

Supports SQL-like language `select a,b,c from list where a = 1` to query elements from collection, and `list` is a java collection such as array/list/set etc.

英文文档

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如果有愿意协助的请联系。

新增选项：强制所有表达式中的 variable 不为 null

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这样可以避免一些意外的结果，如果有一个 null，将以抛出异常结束。

可以生成和原生 java 一致的字节码，做到极致性能。难点在于： 1. 现有代码的兼容 2. 保持 aviator 类型系统的兼容性。

To support AWS ElasticCache Auto Discovery. https://github.com/killme2008/xmemcached/releases/tag/xmemcached-2.3.0

The code is not neat, i wrote it when i started to learn clojure.It should be refactored.

Provide a repl to show/run tasks.