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By mswatcher
Submitted: Sep 24 2013 / 13:06

Recently, I've seen a number of discussions along the lines of what makes a language declarative or imperative? (see, in chronological order, William Cook, Bob Harper, and Neel Krishnaswami). Trying to get a crisp definition of vague terms often involves endlessly going around circles. Just in case that isn't bad enough, in this specific case, some believe that their favourite term connotes superiority, thus setting otherwise reasonable people against each other. Intuitively, the two terms are talking about the level of abstraction of a programming language: declarative means that something provides more what and less how; while imperative is more how and only implicitly what.
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