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rust-playground

Day 1 - Install rust on Mac

Inspired by this article: http://zsiciarz.github.io/24daysofrust/index.html

Initially I had rust on brew, but it appeared not the best option due to:

  • No std library source code package is attached. You'll need to download it by yourself.
  • rustup is not available to mange multipe rust versions.

Hence I've uninstalled and download rustup from https://rustup.rs/

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

All rust components are installed under ~/.cargo. Ensure you have ~/.cargo/bin in PATH.

For IDE, I chose IntelliJ + Rust plugin, because I use Jetbrain's products for all other languages.

Started reading The Rust Programming Language.

Completed Chapter 1 and 2 by writing guessing_game.

Day 2 - Further practice

Continue Chapter 3.

Learned variables, if expression, loop/while/for iterations

Created temperature_conv.

Learned:

  • Convert a string to upper case.
  • Retry input. string.clear()
  • Error handling in converting string to float.

Day 3 - Understanding Ownership

Learned:

  • Ownership of memory. Transferred as a pointer is passed.
  • Borrow by reference: One mutable reference or any number of immutable references.
  • Slice for substr

Day 4 - Struct and Tuple

Learned:

  • How to define struct and tuple
  • How to write methods and associated methods for struct. ~= class
  • The ownership of tuple will not be transferred but copied.

Day 5 - Enum, Match and If

Learned:

  • Enum
  • Option, Some and None
  • Match (case)
  • If ... single equal sign!!

Day 6 - Module

Learned:

  • How to start lib project
  • Module
  • Test

Day 7 - Common Collections

Learned:

  • Vector
  • string
  • HashMap