01:49 - Erik Michaels-Ober Introduction

• Twitter 
• GitHub
• Ruby Rogues Episode #127: Erik Michaels-Ober 

02:07 - The Crystal Programming Language and Statically Typed Programming Languages

• Erik Michaels-Ober: An Introduction to Crystal @ PolyConf 15 

06:54 - Type Inference 

• Union Types
• Duck Typing
• Monkey Patching
• Sandi Metz Blog Post on the Wrong Abstraction

15:06 - Crystal vs Rust or Go 20:10 - Linting

• Rubocop

20:44 - Type Annotations and Perimeters

• Keyword Arguments

22:53 - The History of Crystal and its Development as a Language

• Crystal Docs
• Crystal GitHub Repo
• The Future of Crystal (Christmastime Blog Post)

24:41 - Annotation and Return Value25:35 - Type Inferencing (Cont’d)28:24 - Crystal REPL (ICR) 32:15 - Getting Involved with Crystal and the Development of the Language

• Crystal to_proc

40:08 - Threading and Concurrency44:28 - Crystalshards

• Crystal Weekly

49:30 - Use Cases and Benchmarks

• Crystal Standard Library
• wc.cr

01:03:15 - Compile Errors    More on Crystal

• Erik Michaels-Ober: Crystal Programming Language @ RubyC 2015 
• Interview for RubyC-2015 with Erik Michaels-Ober
• Built-in formatting tool Issue

Picks Easy Bash Prompt Generator (Jessica)
Logitech Wireless Headset Dual H820e Double-Ear Stereo Business Headset (David)
Ruby Rogues Episode #127: Erik Michaels-Ober (Erik)
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Rails Girls Summer of Code (Erik)
RescueTime (Avdi)
The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change by Stephen R. Covey (Avdi)
Whiplash White IPA (Avdi)Special Guest: Erik Michaels-Ober.

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