gistfile1.txt

                      main # Rubinius::Loader at core/loader.rb:861
                    script # Rubinius::Loader at core/loader.rb:679
               load_script . Rubinius::CodeLoader at core/code_loader.rb:590
               load_script # Rubinius::CodeLoader at core/code_loader.rb:505
                __script__ # Object at ../test.rb:7
            to_s (inspect) # Array at core/array.rb:1032
          detect_recursion . Thread at core/thread.rb:405
            { } in inspect # Array at core/array.rb:1033
           each_with_index # Enumerable(Array) at core/enumerable.rb:289
                      each # Array at core/array.rb:72
    { } in each_with_index # Enumerable(Array) at core/enumerable.rb:291
            { } in inspect # Array at core/array.rb:1036
                        << # String at core/string.rb:1733
               StringValue # Kernel(String) at core/kernel.rb:244
                 coerce_to . Rubinius::Type at core/type.rb:141
         execute_coerce_to . Rubinius::Type at core/type.rb:146
   to_str (method_missing) # Kernel(Symbol) at core/zed.rb:1413

undefined method `to_str' on foo:Symbol. (NoMethodError)

Causing:

                     main # Rubinius::Loader at core/loader.rb:861
                   script # Rubinius::Loader at core/loader.rb:679
              load_script . Rubinius::CodeLoader at core/code_loader.rb:590
              load_script # Rubinius::CodeLoader at core/code_loader.rb:505
               __script__ # Object at ../test.rb:7
           to_s (inspect) # Array at core/array.rb:1032
         detect_recursion . Thread at core/thread.rb:405
           { } in inspect # Array at core/array.rb:1033
          each_with_index # Enumerable(Array) at core/enumerable.rb:289
                     each # Array at core/array.rb:72
   { } in each_with_index # Enumerable(Array) at core/enumerable.rb:291
           { } in inspect # Array at core/array.rb:1036
                       << # String at core/string.rb:1733
              StringValue # Kernel(String) at core/kernel.rb:244
                coerce_to . Rubinius::Type at core/type.rb:141
        execute_coerce_to . Rubinius::Type at core/type.rb:148
         coerce_to_failed . Rubinius::Type at core/type.rb:158

Coercion error: :foo.to_str => String failed (TypeError)

An exception occurred running ../test.rb