crystal 是一门采用类 ruby 语法的编译型语言。如今终于发布了 1.0.0 版本。

    # A very basic HTTP server
    require "http/server"

    server = HTTP::Server.new do |context|
      context.response.content_type = "text/plain"
      context.response.print "Hello world, got #{context.request.path}!"
    end

    puts "Listening on http://127.0.0.1:8080"
    server.listen(8080)

https://crystal-lang.org/
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