x := 1
doString("x+1")

Account := Object clone
Account x := 10
Account doString("x+1")

/*
from http://www.iolanguage.com/scm/io/docs/IoGuide.html, added unevaluated args
*/

O := Object clone

O forward := method( 
  write("sender = ", call sender, "\n") ; 
  write("message name = ", call message name, "\n") ; 
  write("message target = ", call target, "\n") ; 
  args := call message argsEvaluatedIn(call sender) ; 
  myMessage := call message ;
  args foreach(i, v, write("arg",  i, " = ", myMessage argAt(i), " ==> ", v, "\n") )
)

O unknownMessage( 42, x * 2 )