chore: emoji for README

README.md

@@ -18,9 +18,9 @@
 
 YieldLang is a [meta-language](https://en.wikipedia.org/wiki/Metalanguage) for generating structured text (ST) that can provide corpora for large language models (LLMs) or guide LLMs to generate ST. Currently provided as a Python package.
 
-- Based on a coroutine generator and sampler architecture
-- Stream-sends characters and parses the context above into a syntax tree
-- Build formal grammars with classes, methods, and combinators
+- 🧠 Based on a coroutine generator and sampler architecture
+- 🤖 Stream-sends characters and parses the context above into a syntax tree
+- 🦾 Build formal grammars with classes, methods, and combinators
 
 **Work in progress now.**
 

README.zh-hans.md

@@ -18,9 +18,9 @@
 
 YieldLang 是一个生成结构化文本 (ST) 的[元语言](https://en.wikipedia.org/wiki/Metalanguage)，它可以为大语言模型 (LLM) 提供语料或引导 LLM 生成 ST 。目前以 Python 软件包的方式提供。
 
-- 采用基于协程的生成器、采样器架构
-- 流式发送字符的并解析上文为语法树
-- 用类、方法、组合子来构建形式文法
+- 🧠 采用基于协程的生成器、采样器架构
+- 🤖 流式发送字符的并解析上文为语法树
+- 🦾 用类、方法、组合子来构建形式文法
 
 
 **目前还处于早期开发当中。**

yieldlang/__init__.py

@@ -1,3 +1,3 @@
-from .generator import TextGenerator, YContextTree
+from .generator import TextGenerator, YContextTree, YGenerator
 from .sampler import BaseSampler, RandomSampler
 from .tree import YMiniTree, minify_ctx_tree