Covariance and Contravariance in Java

As a Software Engineer, we should strive to understand the fundamental of the things that don’t work, and more importantly, be conscious… Read more

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Composing Functions in Early Java Versions

Part 1 of The Weekly Challenge 171 : Create sub compose($f, $g) which takes in two parameters $f and $g as subroutine refs and returns subroutine ref i.e. compose($f, $g)-($x) = $f-($g-($x)) . While the problem is given in a Perl centric way, the intent i... (more…)

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