Snippets tagged array
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reference to array element
Nice thing you can do in F# that you can't do in C#, pulling a reference to an array element as a local var.
26 people like this
Like the snippet!Posted: 13 years ago by fholm
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Copy-set an array
Copy an array into a new one, changing the value at index 42 to 123. Uses "function" and pattern patching.
1 people like this
Like the snippet!Posted: 12 years ago by Johann Deneux
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Using units of measure for safe array access
A typical problem when working with arrays and indices is that it's easy to access an array with the wrong index. Units of measure in F# can be applied to integers, which makes it possible to abuse them to prevent this kind of error.
7 people like this
Like the snippet!Posted: 12 years ago by Johann Deneux
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Initialization of 2D array that may fail
A function to initialize 2D array that supports failures - if the initializer fails to produce value for any of the array locations, the construction is stopped and the function returns 'None'
3 people like this
Like the snippet!Posted: 10 years ago by Tomas Petricek
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Array2D to one dimension
This is a simple way to flat a two dimensional array in a linear one
1 people like this
Like the snippet!Posted: 9 years ago by Riccardo Terrell
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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
2 people like this
Like the snippet!Posted: 8 years ago by Tuomas Hietanen
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Slicing with ArraySegment
Slicing arrays without copying using .Net's ArraySegment struct
2 people like this
Like the snippet!Posted: 8 years ago by Phillip Trelford
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Magic 8 Ball
Magic 8 Ball in your console/terminal
2 people like this
Like the snippet!Posted: 7 years ago by Fabio Galuppo
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Intersperse an array
Imperative and fast implementation of an intersperse function for array. if you search for a functional implemenation you should look [here](http://www.fssnip.net/7S3/title/Intersperse-a-list).
0 people like this
Like the snippet!Posted: 7 years ago by Tobias Burger
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Binary search on sorted arrays
Performs binary search on sorted arrays. Both ascending and descending-ordered arrays are supported. Pass a reverse comparer to the tryBinarySearchWith function to search on descending-ordered arrays.
2 people like this
Like the snippet!Posted: 4 years ago by Bang Jun-young
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Shuffled Array
String.Join (" ", [| "This" ; "is"; "a" ; "way" ; "to" ; "generate" ; "a" ; "shuffled" ; "array" ; "with" ; "given" ; "elements" ; "from" ; "an" ; "(ordered)" ; "array." |]) |> printf "\n >> %A\n"
1 people like this
Like the snippet!Posted: 4 years ago by you
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Circular queue
A circular queue implemented over an array.
4 people like this
Like the snippet!Posted: 12 years ago by Johann Deneux
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Random Subset
A function that takes a random subset from a seq<'T>.
1 people like this
Like the snippet!Posted: 12 years ago by Taha Hachana
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Array tail match
Match the first elements of an array an returns tail.
3 people like this
Like the snippet!Posted: 10 years ago by thinkbeforecoding
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Array Shuffle
Shuffling array using Seq.fold
6 people like this
Like the snippet!Posted: 10 years ago by Karlkim Suwanmongkol
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Fibonacci sequence with fold
Fibonacci nth term with fold
6 people like this
Like the snippet!Posted: 8 years ago by Andriy Tolstoy
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100X Faster - Takes an array and splits it to arrays of arrays
Fast version - http://www.fssnip.net/sB
2 people like this
Like the snippet!Posted: 8 years ago by Zhukoff Dima
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BELLMAN-FORD algorithm
BELLMAN-FORD algorithm to the shortest path based on pseudo code in Algortihms Unlocked
4 people like this
Like the snippet!Posted: 7 years ago by Fabio Galuppo
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SIMD fold extension for Array
A SIMD enhanced fold function that adds on to the Array type
2 people like this
Like the snippet!Posted: 7 years ago by Jack Mott
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CompressedArray
Store rarely accessed efficiently compressed (only for unmanaged types). Efficient decompression with no temporary arrays by utilizing NativePtr with UnmanagedMemoryStream. Uncompressed resultant array stored with WeakReference to save multiple uncompression steps.
4 people like this
Like the snippet!Posted: 6 years ago by manofstick
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Random string generator
Creates a random string of length `n` with characters available in `chars` array.
1 people like this
Like the snippet!Posted: 4 years ago by Johan Irvall
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Array shuffle
Shuffle an array
2 people like this
Like the snippet!Posted: 2 years ago by Josh DeGraw