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There is a site learn you a haskell with the title "Learn You a Haskell for Great Good!". Does "Great Good" mean "very very good"? Does the whole phrase mean "learning Haskell is good for you" or "learning Haskell is good for the whole world" or something else?

12

Haskell is a very mathematical programming language. It is typically learned by mathematically inclined people who have big brains. That makes the subject matter frightening to many people. It triggers their "math anxiety".

The title is deliberately silly so as not to make people feel anxious. Haskell books are typically pedantic and formal. The informal, grammatically incorrect, silly style of the title is kind of promise to the reader that the book won't be overly pedantic and formal.

I think also that the author, who is Slovenian, may be making fun of his own English skills. (The English inside the book however is very good.)

In better English, the title might be something like, "Learn Haskell for great benefit".

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  • 3
    There is also a farcical echo, even if subliminal, of Zero-Wing's "For great justice!" (1:15). – Mark C Jul 24 '18 at 18:27
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It's a deliberate mistake, as is "Learn You". I think this is based on a comedy routine by Baron Sacha Cohen called Borat.

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13

I'm inclined to think it's a parody of "For great justice!" from the badly-translated game, Zero Wing.

http://en.wikipedia.org/wiki/All_your_base_are_belong_to_us

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8

I think it's a Haskell joke, playing on the functional programming style used in that language.

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  • Learn:: (you, a Haskell)->Great Good - Learn is a function that takes you and an object a of class Haskell and outputs an object Great Good. – Tim Apr 11 '18 at 11:19
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According to this post the phrasing originated in the title of the Haskell tutorial "Write Yourself a Scheme in 48 hours", written in 2006, and was simply a (not that ungrammatical, but certainly awkward) "portmanteau of two different common memes at the time": the "Teach yourself X in 21 days books", and Peter Norvig's semi-parody "Teach yourself programming in 10 years".

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3

I'd be more inclined to interpret "for Great Good" as a form of "for the Greater Good".

In that case it corresponds with "learning Haskell is good for whole world" per your suggestion.

Compare to "Making the world a better place, one person at a time".

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  • "For great good" is fine, with good (e.g. toward oneself) being a noun. The only real "quirk" is the intentionally "a Haskell" for goofiness. With the transitive "learn", they together exaggerate the effect. – Mark C Jul 24 '18 at 18:33
-1

It could mean 'good' in the economic sense, where it is a noun. But somehow I doubt it.

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