Crystal, a new object-oriented, compiled systems programming language that aims to blend the conciseness and friendliness of Ruby with the efficiency of C, recently released its first major version. Crystal 1.0 has a syntax close to Ruby’s and features statically inferred types, C bindings, and macros. Crystal may attract developers with a Ruby/Rails, Elixir/Phoenix background.
The Crystal team explained the rationale behind the new language as follows:
