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Re:Haskell for a New Decade [pdf] by SparklingCotton on Wednesday June 24, 2020 @02:59AM (#23624905)
I've used lens for years and years, but don't fully grok it. Who cares? Lens is also like category theory, you don't need to understand the details in order to use it.
Re:Haskell for a New Decade [pdf] by Jeff_Brown on Wednesday June 24, 2020 @11:12AM (#23628771)
More generally, trying to learn the whole language -- for almost any language -- is usually a waste of time.