hyeong 0.2.1

Hyeo-ung Programming Language Compiler
Documentation
# Hyeo-ung Source Files

## Status for each file

✅ for done, ❌ for omit, nothing for todo.

| file                    | impl | test | doc |
|-------------------------|:----:|:----:|:---:|
| `app/build.rs`          ||||
| `app/check.rs`          ||||
| `app/debug.rs`          ||||
| `app/init.rs`           ||||
| `app/interpreter.rs`    ||||
| `app/run.rs`            ||||
| `core/area.rs`          ||||
| `core/code.rs`          ||||
| `core/compile.rs`       ||||
| `core/execute.rs`       ||||
| `core/optimize.rs`      ||||
| `core/parse.rs`         ||||
| `core/state.rs`         ||||
| `number/big_number.rs`  ||||
| `number/number.rs`      ||||
| `util/error.rs`         ||||
| `util/io.rs`            ||||
| `util/option.rs`        ||||
| `util/util.rs`          ||||