Methods
R
Constants
KEY_TBL = [ [ ?d, ?s, :direction ], [ ?s, ?e, :current ], [ ?W, ?w, :widget ], nil ]
 
PROC_TBL = [ [ ?s, TkComm.method(:string) ], [ ?w, TkComm.method(:window) ], [ ?e, proc{|val| #enc = Tk.encoding enc = ((Tk.encoding)? Tk.encoding : Tk.encoding_system) if enc Tk.fromUTF8(TkComm::string(val), enc) else TkComm::string(val) end } ], nil ]
 
Class Public methods
ret_val(val)

Source: show | on GitHub 

# File ext/tk/lib/tk/spinbox.rb, line 60
def self.ret_val(val)
  (val)? '1': '0'
end