- Reference semantics
- Immutability
- Value semantics
- Value types in practice
- Mixing value types and reference types
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| #Install Brew | |
| /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" | |
| # Legitimately-useful utilities missing from OS X. | |
| brew install wget watch gnu-sed coreutils | |
| # Up-to-date versions of included tools. | |
| brew install git emacs | |
| # Just for fun. |