Snippets tagged split
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Split a list
Three ways to split a list in half (but not necessarily in the middle). A forth version added that's very short and should be fast, as we only use List.fold. New champ found.
83 people like this
Like the snippet!Posted: 13 years ago by Dmitri Pavlenkov
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Takes an array and splits it to arrays of arrays
To avoid too huge lists when doing recursion, SQL-IN-clauses, etc... Use the F# core version: chunkBySize
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Like the snippet!Posted: 9 years ago by Tuomas Hietanen
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Monadic state lifting combinators
The generic model for stateful computation (S -> S x R) provides a convenient mechanism of threading stateful computation results since the functor λR . S -> S x R is monadic. But what happens if we want to thread state itself? Well, the mapping λS. S -> S x R is not even functorial! But it turns out it can become so with a bit of trickery. This snippet demonstrates a way to lift, project or inject stateful computations into ambient state monads.
8 people like this
Like the snippet!Posted: 12 years ago by Eirik Tsarpalis
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100X Faster - Takes an array and splits it to arrays of arrays
Fast version - http://www.fssnip.net/sB
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Like the snippet!Posted: 9 years ago by Zhukoff Dima