根据 perflib 用 rust 写了一个 Hprof Parser(还没有完成，差很多)
I wrote a Hprof Parser using Rust based on perflib (it's not finished yet, still has a lot to do)
刚好可以一边学习 hprof 文件格式，一边学习 rust
Fortunately, I can learn both of the hprof file format and Rust at the same time.