Rust

一些被推薦的點 (代研究)

• Immutable by default, no global variables, private by default

• borrow checker

• C like performance without nasal demons

• no big VM, no GC needed

• immutable/private by default

• pattern matching

• HM-style type inference (Turing complete)

• fully hygienic macros

• helpful compiler errors, Lint’s built in

• great community

• Move by default

• channel for concurrency

  • Erlang like channel
  • https://news.ycombinator.com/item?id=7851274

• suitable for hard real time

• I don’t have to worry about aliasing anymore

  • pointer aliasing
  • https://www.reddit.com/r/rust/comments/2x0h17/whats_your_killer_rust_feature/cow3zod

• https://www.reddit.com/r/rust/comments/2x0h17/whats_your_killer_rust_feature

• region-based memory management -> lifetime

Todo

• Traits as Higher-order Functions
• Collecting Results from Collections

Rust - Runtime Service

隨手用 Valgrind 跑個 Rust 的程式後， 發現有意料之外的 heap 使用， 後來才知道是 Rust std 做的， 之後來了解 Rust 的 Runtime Service 做了什麼事情 ...

• [2013] Notes on the Rust runtime
• Rust - Module std::rt
• Rust - std - rt

No stdlib

• Rust - No stdlib

Rust - clone-on-write smart pointer

• Rust - Enum std::borrow::Cow

Reference

• Wikipedia - Rust
• Rust RFCs