Recent snippets
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Regex.Replace with a MatchEvaluator
An example of setting up a MatchEvaluator for use with Regex.Replace in F#.
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Like the snippet!Posted: yesterday by stubel
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Get Bitcoin wallet account balance by 76a9148b70193546504fa3623598722575f70b5b1c645588ac public key
Get Bitcoin wallet account balance by public key 76a9148b70193546504fa3623598722575f70b5b1c645588ac
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Like the snippet!Posted: 2 days ago by The streets
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Seemingly impossible program defines equality between arbitrary functions
It is well known that it is impossible to define equality between arbitrary functions. However, there is a large class of functions for which we can determine equality, and it’s strange and surprising. We explore this idea using F# code translated from the Swift programming language.
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Like the snippet!Posted: 5 days ago by Brian Berns
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Enumerating the Rationals
How to enumerate the rational numbers without duplication using a Calkin–Wilf tree.
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Like the snippet!Posted: 19 days ago by Brian Berns
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MOИOIД
Playing around Fable's experimental implicits
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Like the snippet!Posted: 29 days ago by Evgeniy Andreev
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Fix the parameter order of Array.foldBack
The built in foldBack has parameters in an odd order: you can't pipe the array into it, and the folder signature is different from Array.fold's. Here's how to fix it.
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Like the snippet!Posted: 1 month ago by Kit Eason
Popular snippets
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Partition a sequence until a predicate is satiated
This function is given a partition predicate and a sequence. Until the predicate returns false, a list will be filled with elements. When it is, both the list and the remainder of the sequence will be returned. Note that this example preserves the laziness of the unchecked sequence elements.
68 people like this
Like the snippet!Posted: 7 years ago by Rick Minerich
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Composing a list of functions
Composition of functions in F# is easily achieved by using the >> operator. You can also chain an arbitary amount of functions (represented as a list or sequence) together by folding the list/seq with >>. [More formally: the set of endomorphisms 'a -> 'a forms a monoid with the binary, associative operator ">>" (or "<<") and the neutral element "id".]
79 people like this
Like the snippet!Posted: 8 years ago by Novox
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Adapter pattern
Invoke the methods from incompatible types
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Like the snippet!Posted: 7 years ago by Tao Liu
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Adapter pattern
Invoke the methods from incompatible types
101 people like this
Like the snippet!Posted: 7 years ago by Tao Liu
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Read only ref
F# implementation of RO_ref from the "Effective ML" talk.
81 people like this
Like the snippet!Posted: 7 years ago by fholm
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Factory Pattern
Factory pattern in F#
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Like the snippet!Posted: 7 years ago by Tao Liu
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