#NEWLINE# def test_nothing_functor_law2( self ) : #NEWLINE# #INDENT# def f( x ) : #NEWLINE# #INDENT# return ( x + 10 ) #NEWLINE# #UNINDENT# def g( x ) : #NEWLINE# #INDENT# return ( x * 10 ) #NEWLINE# #UNINDENT# x = Nothing ( ) #NEWLINE# self . assertEquals ( x . map ( compose ( f , g ) ) , x . map ( g ) . map ( f ) )