Declarative programming has two major sub paradigms: logic and functional.General purpose logic programming languages include Prolog and Mercury.For hardware, PSL/Sugar also belongs to this category.

Of the two approaches, declarative programming might well be the better option, resulting in leaner, safer code. Let’s look at why this is.

Some network teams are finding power and simplicity in the shift from telling devices what to do—imperative programming—to describing what they should be—declarative programming.

In a variety of venues, the application of declarative programming practices and principles are starting to expand in ways that solve many long-standing frustrations with making technology work ...