Manual:DIL Manual/fits()

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string fits( char : unitptr, obj : unitptr, pos : integer );
   char: Character which we want to test if obj can be fitted upon
   obj:  The object we want to see if fits char.
   pos:  -1 or WEAR_XXX
   Returns: Empty string if ok, or a textual description of the size problem.
   Fits tests if "obj" can be worn by "char" in position "pos". If
   pos is -1, then fits automatically figures out the default worn
   position for "obj".
      s := fits(self, obj, -1);
      if (s != "")
        exec("say Don't buy it, its "+s, self);