| require 'example' | |
| a = 37 | |
| b = 42 | |
| # Now call our C function with a bunch of callbacks | |
| puts "Trying some C callback functions" | |
| puts " a = #{a}" | |
| puts " b = #{b}" | |
| puts " ADD(a,b) = #{Example.do_op(a,b,Example::ADD)}" | |
| puts " SUB(a,b) = #{Example.do_op(a,b,Example::SUB)}" | |
| puts " MUL(a,b) = #{Example.do_op(a,b,Example::MUL)}" | |
| puts "Here is what the C callback function objects look like in Ruby" | |
| puts " ADD = #{Example::ADD}" | |
| puts " SUB = #{Example::SUB}" | |
| puts " MUL = #{Example::MUL}" | |
| puts "Call the functions directly..." | |
| puts " add(a,b) = #{Example.add(a,b)}" | |
| puts " sub(a,b) = #{Example.sub(a,b)}" |