The shards command Installation Usage Shards commands shards build shards check shards init shards install shards list shards prune shards update shards version ...

The shards command Installation Usage Shards commands shards build shards check shards init shards install shards list shards prune shards update shards version ...

Runtime Tracing Tracing Format Runtime Tracing The Crystal runtime has a tracing feature for low level functionality. It prints diagnostic info about runtime internals. A prog...

Requiring files require “filename” require “./filename” Other forms Requiring files Writing a program in a single file is OK for little snippets and small benchmark code. Big...

Requiring files require “filename” require “./filename” Other forms Requiring files Writing a program in a single file is OK for little snippets and small benchmark code. Big...

Requiring files require “filename” require “./filename” Other forms Requiring files Writing a program in a single file is OK for little snippets and small benchmark code. Big...

Assignment Method as assignment target Combined assignments Chained assignment Multiple assignment One-to-many assignment Splat assignment Underscore Assignment An assign...

Assignment Method as assignment target Combined assignments Chained assignment Multiple assignment One-to-many assignment Splat assignment Underscore Assignment An assign...

Visibility Private methods Private types Protected methods Private top-level methods Private top-level types Visibility Methods are public by default: the compiler will alw...

Hello World Hello World The first thing you need to learn in any programming language is the famous Hello World! program . In Crystal this is pretty simple, maybe a little bit...