This page can be very handy to understand how a piece of code is evaluated. http://www.srcf.ucam.org/~bm380/cgi-bin/stepeval.cgi http://www.srcf.ucam.org/~bm38

This page can be very handy to understand how a piece of code is evaluated. http://www.srcf.ucam.org/~bm380/cgi-bin/stepeval.cgi http://www.srcf.ucam.org/~bm380/cgi-bin/stepeval.cgi