fs = map
f1 = (* 2)
f2 = (^ 2)
fsf1 = fs.curry( f1 )
fsf2 = fs.curry( f2 )
println( fsf1(0..3) )
println( fsf2(0..3) )
println( fsf1(2..8 by 2) )
println( fsf2(2..8 by 2) )