crystal/printer.cr

   1 require "./types"
   2
   3 def pr_str(value)
   4   case value
   5   when Nil         then "nil"
   6   when Bool        then value.to_s
   7   when Int32       then value.to_s
   8   when String      then value.inspect
   9   when Array       then "(#{value.map{|v| pr_str(v) as String}.join(" ")})"
  10   when Mal::Symbol then value.val.to_s
  11   else                  raise "invalid MalType: #{value.to_s}"
  12   end
  13 end