Recent snippets
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Configure F# Interactive to use Microsoft.ML.Net
Until FSI gets package references, we are to reference DLLs individually. This script sets up the FSI session to use ML.Net - assuming the required packages are loaded in the default location for the solution. Normally, referencing the latest AutoML and TimeSeries packages will net all the packages listed here.
1 people like this
Like the snippet!Posted: 3 days ago by Faisal Waris
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Counting Languages - Converting integers to ASTs and back again
This little snippet shows you how you can create a simple recursive data type and define a pair of functions that maps the set of positive integers to unique instances in the AST and back again.
1 people like this
Like the snippet!Posted: 7 days ago by Steve Goguen
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Basic F# LINQ GroupBy example and multiple aggregates
Converting F# LINQ queries to SQL: - Basic example of simple group-by - Also if you want to have multiple aggregates (SUM, COUNT, MAX, MIN, AVG, ...) in the same SQL-clause, that is done with groupBy over a constant value.
1 people like this
Like the snippet!Posted: 9 days ago by Tuomas Hietanen
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Harshad numbers / Niven numbers
As described in https://en.wikipedia.org/wiki/Harshad_number
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Like the snippet!Posted: 9 days ago by Tuomas Hietanen
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Reimplementation of C# Nullable
type Type-safe Nullable
2 people like thisin F# featuring: arithmetic operations on primitive types, structural equality/comparison, null-coalescing operator, explicit type conversion to the underlying type, throwing an exception in exceptional condition, `nullable` computation expression, and etc.
Like the snippet!Posted: 12 days ago by Bang Jun-young
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Rotate a matrix clockwise
For a given matrix of height H and width W, create a new matrix of height W and width H which is the clockwise rotation of the original matrix.
1 people like this
Like the snippet!Posted: 16 days ago by groch
Popular snippets
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Projecting lists
Three functions showing how to implement projection for functional lists. First version uses naive recursion and the second one is tail-recursive using the accumulator parameter. The third version extends this with continuation passing.
65 people like this
Like the snippet!Posted: 8 years ago by Tomas Petricek
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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.
78 people like this
Like the snippet!Posted: 8 years ago by Dmitri Pavlenkov
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Haskell function : iterate
Implements iterate function from Haskell's Prelude. The function generates an infinite sequence by applying a function to the initial value (first) and then to the result of previous application.
203 people like this
Like the snippet!Posted: 8 years ago by Nick Palladinos
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Projecting lists
Three functions showing how to implement projection for functional lists. First version uses naive recursion and the second one is tail-recursive using the accumulator parameter. The third version extends this with continuation passing.
65 people like this
Like the snippet!Posted: 8 years ago by Tomas Petricek
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Hello world (F#)
Classical "Hello world" example that prints a message to the console output. This version uses F# printfn function to do the printing.
179 people like this
Like the snippet!Posted: 8 years ago by Tomas Petricek
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Continuation-Passing Mnemonics
Continuations provide a means whereby heap space can be traded for stack depth (heap space being generally more plentiful than stack depth). They are especially useful where tail recursion is not possible. Here are a couple of simple continuation examples that can be extended to cover more complex scenarios.
88 people like this
Like the snippet!Posted: 8 years ago by Neil Carrier
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