iolanguage - Io Language: Exception: Sequence does not respond to 'openForReading' -


I read "seven languages" in seven weeks.

On the Io charpter, I failed with the following example exception. OperationTableAddinOperator (":", "atPutNumber") curly brackets: = method (R: = map clone call message logic foreach (arg, r doMessage (ARG)) R.

) Put the map on the map: = Method (remove "\"), the appropriate printfix ("\"), the call evalArgAt (1)), mountable (call on the self (call as "Evil Egret" (0) s: = file ("Phonebook.txt" openForReading content) Phone number: = doString (s) phone number key println phone points println

phonebook.txt 

  {"Bob Smith": Troubleshooting message:  
 
 Exception: 'OpenForReading' does not answer --- ------- Seacons Unfold readings Phonebook.O with 16 file- phonebook.io 16CLI doFile Z_CLI .io 140 - Run CLI IoState_runCLI () 1   
 Phonebook.io and phonebook.txt in the same folder.   
 < "Post-text" itemprop = "text"> 
 Compare the code line from the line, file with the following line  
  s: = ("phonebook.txt" openForReading content) / Code>  
  should be correct as:   
  s: = with file ("phonebook.txt") openForReading content  
 
 On the last job as expected: 
 
 
 $> io phonebook.io 
 Listings (Mary Walsh, Bob Smith) 
 
 5678, 12345)

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