3.1: `std::io::Read` を実装した何かから最大1024bytes読み込んで HEX 表示するプログラム

[laysakura]

Fixes: #7

実行結果

💻 sho.nakatani@mbp2019 📂 ~/.ghq/src/github.com/yuk1ty/learning-systems-programming-in-rust ⏰ 10:53:30
% cargo run --bin main_3_1
   Compiling chapter3 v0.1.0 (/Users/sho.nakatani/.ghq/src/github.com/yuk1ty/learning-systems-programming-in-rust/chapter3)
    Finished dev [unoptimized + debuginfo] target(s) in 0.45s
     Running `target/debug/main_3_1`
320 bytes read:
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[laysakura]

@yuk1ty 73e1658 でディレクトリ構造修正しました 📁