fhiroki-bicycle-book-wordcount 0.1.0

count frequency of words, characters or lines
Documentation 
# Rust word count

This is sample project with Rust in [this book](https://gihyo.jp/book/2019/978-4-297-10559-4).

## usage

```bash
# count word frequency
cargo run -- test.txt word

# count char frequency
cargo run -- test.txt char

# count line frequency
cargo run -- test.txt line
```