tic-tac-go

Two goroutines playing tic-tac-toe. They don't stop if one has won, and nothing is evaluated. Maybe I'll add that. This is my first time using go.

Example output:

   |   |   
-----------
   |   |   
-----------
   |   |   

***********

 x |   |   
-----------
   |   |   
-----------
   |   |   

***********

 x |   |   
-----------
   |   |   
-----------
   |   | o

***********

 x |   |   
-----------
   |   | x
-----------
   |   | o

***********

 x |   |   
-----------
 o |   | x
-----------
   |   | o

***********

 x | x |   
-----------
 o |   | x
-----------
   |   | o

***********

 x | x |   
-----------
 o |   | x
-----------
 o |   | o

***********

 x | x |   
-----------
 o | x | x
-----------
 o |   | o

***********

 x | x | o
-----------
 o | x | x
-----------
 o |   | o

***********

 x | x | o
-----------
 o | x | x
-----------
 o | x | o

***********