C# origin story

• Why was the language created?
• What problems was the language trying to address?
• Is the language a reaction to a previous language or a replacement for another language?

Ruby origin story

• Why was the language created?
• What problems was the language trying to address?
• Is the language a reaction to a previous language or a replacement for another language?

C# unique features

Ruby unique features

• Name spaces
  • How are name spaces implemented?
  • How are name spaces used?
• Types
  • What types does the language support?
  • Are both reference and value types supported?
  • Can new value types be created?
• Classes
  • Defining
  • Creating new instances
  • Constructing/initializing
  • Destructing/de-initializing
• Instance reference name in data type (class)
  • this? self?
• Properties
  • Getters and setters...write your own or built in?
  • Backing variables?
  • Computed properties?
• Interfaces / protocols
  • What does the language support?
  • What abilities does it have?
  • How is it used?
• Inheritance / extension
• Reflection
  • What reflection abilities are supported?
  • How is reflection used?
• Memory management
  • How is it handled?
  • How does it work?
  • Garbage collection?
  • Automatic reference counting?
• Comparisons of references and values
  • How are values compared? (i.e. comparing two strings)
• Null/nil references
  • Which does the language use? (null/nil/etc)
  • Does the language have features for handling null/nil references?
• Errors and exception handling
• Lambda expressions, closures, or functions as types
• Implementation of listeners and event handlers
• Singleton
  • How is a singleton implemented?
  • Can it be made thread-safe?
  • Can the singleton instance be lazily instantiated?
• Procedural programming
  • Does the language support procedural programming?
• Functional programming
  • Does the language support functional programming?
• Multithreading
  • Threads or thread-like abilities
  • How is multitasking accomplished?