Jonne Haß questions

Jonne Haß answers

• What is superclass mismatch in Crystal Lang?
• Run arbitrary code at compile time
• Understanding enum's types in Crystal
• Crystal lang how to get binary file from http
• How to get the name of the arguments passed into a block?
• Crystal language: what to use instead of runtime String::to_sym
• Would one be able to use Ruby gems with Crystal?
• How to create Procs with variable arguments in Crystal?
• Timers/Intervals in Crystal Lang
• How to specify the data types for JSON parsing?