In the past, I've written code like the following
(defn foo [x y]
(let [x-squared (* x x)]
(if (pos? y)
(+ x-squared y)
(- x-squared y))))
However, the introduction of as-> has led me to write the following, at times
(defn foo [x y]
(as-> (* x x) x-squared
(if (pos? y)
(+ x-squared y)
(- x-squared y))))
In essence, I've started replacing single binding lets with as->. John
Hume has pointed out that as-> seems to have been introduced to work
in conjunction with ->. Which brings me to my question - do you think
it's better to use a single binding let from a readability
perspective? Are there any (performance or otherwise) impacts that I
should be aware of?
Cheers, Jay
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