Crystal Reviews

Crystal Description

Crystal's syntax is heavily inspired from Ruby's. It feels natural to read, easy to write, with the added benefit that it requires less learning curve for Ruby devs. Crystal is statically type-checked so errors in type will be caught before they reach runtime. Crystal also has type inference built-in, which means that most type annotations are unnecessary. Crystal makes all types non-nilable. The available variables are represented by a union of the type and null. The compiler will check for null references during compile time. Crystal's solution to metaprogramming is a powerful macro-system that covers everything from types inspection and basic templating to types inspection and running arbitrary programs.