Combining Expressions into More Complicated Ones

A key idea in computer science is to combine simple things to make more complicated ones. Expressions can be combined in all sorts of ways provided the types are right: For example:
(if (1>2) or not(2<3)
then 1
else 2) +17;
>> 19 : num

Sebastian Danicic BSc MSc PhD (Reader in Computer Science)
Dept of Computing, Goldsmiths, University of London, London SE14 6NW
Last updated 2010-12-29