gistfile1.txt

6: Cannot find instance method set(int, int) on java.util.List
Mirah::InternalCompilerError: Cannot find instance method set(int, int) on java.util.List
           infer at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:280
           infer at ~/hacking/fresh_mirah/lib/mirah/ast/structure.rb:34
            each at org/jruby/RubyArray.java:1603
           infer at ~/hacking/fresh_mirah/lib/mirah/ast/structure.rb:33
           infer at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:275
           infer at ~/hacking/fresh_mirah/lib/mirah/ast/flow.rb:125
         collect at org/jruby/RubyArray.java:2336
           infer at ~/hacking/fresh_mirah/lib/mirah/ast/flow.rb:121
            send at org/jruby/RubyKernel.java:2100
  method_missing at ~/.rvm/rubies/jruby-1.6.4/lib/ruby/1.8/delegate.rb:292
           infer at ~/hacking/fresh_mirah/lib/mirah/ast/call.rb:193
            send at org/jruby/RubyKernel.java:2100
  method_missing at ~/.rvm/rubies/jruby-1.6.4/lib/ruby/1.8/delegate.rb:292
           infer at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:275
         resolve at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:324
            each at org/jruby/RubyHash.java:1170
         resolve at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:322
           cycle at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:236
           times at org/jruby/RubyFixnum.java:256
           cycle at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:233
         resolve at ~/hacking/fresh_mirah/lib/mirah/typer/simple.rb:319
      infer_asts at ~/hacking/fresh_mirah/lib/mirah/generator.rb:49
        generate at ~/hacking/fresh_mirah/lib/mirah/generator.rb:35
         execute at ~/hacking/fresh_mirah/lib/mirah/commands/run.rb:30
    execute_base at ~/hacking/fresh_mirah/lib/mirah/commands/base.rb:41
           catch at org/jruby/RubyKernel.java:1191
    execute_base at ~/hacking/fresh_mirah/lib/mirah/commands/base.rb:38
         execute at ~/hacking/fresh_mirah/lib/mirah/commands/run.rb:23
             run at ~/hacking/fresh_mirah/lib/mirah.rb:36
          (root) at ~/hacking/fresh_mirah/bin/mirah:27
            load at org/jruby/RubyKernel.java:1063

map.mirah

# because of the lack of autoboxing, you have to do this.
# but it currently doesn't work because list is to modifiable
# https://github.com/mirah/mirah/issues/126
list = [1,2,3]

i = 0
list.each do |elem|
  list.set i, Integer.new(Integer(elem).intValue * 2)
  i += 1
end

puts list