Recent snippets
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Pong
Pong video game runnable inside fable.io. Controls are "A" for left, and "D" for right.
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Like the snippet!Posted: 3 days ago by Phillip Trelford
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Using local LLMs from F#
Download and install Ollama: https://ollama.com/ Ollama is a free common host for multiple different LLM-models like Google Gemma, OpenApi's GPT-OSS, Deepseek, etc.
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Like the snippet!Posted: 2 months ago by Tuomas Hietanen
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ModelContextProtocol with FSharp (MCP with F#)
ModelContextProtocol with FSharp (MCP with F#) https://modelcontextprotocol.io/docs/getting-started/intro Client and Server examples using https://github.com/modelcontextprotocol/csharp-sdk
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Like the snippet!Posted: 2 months ago by Tuomas Hietanen
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Weighted Average
Takes a list of (quantity/amount and price/rate) as decimals, and gives a weighted average
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Like the snippet!Posted: 2 months ago by Tuomas Hietanen
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Creating Azure dashboard clock component with Farmer
Example of shaping an anonymous-object-as-JSON structure for an Azure dashboard using strong typing and minimal code using Farmer F# https://compositionalit.github.io/farmer/
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Like the snippet!Posted: 2 months ago by Tuomas Hietanen
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Functional Agent
A functional wrapper around MailboxProcessor that simplifies agent-based concurrency, adds error handling via events, and provides convenience functions to avoid common pitfalls when working with asynchronous message processing in F#.
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Like the snippet!Posted: 4 months ago by halcwb
Popular snippets
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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".]
87 people like this
Like the snippet!Posted: 15 years ago by Novox
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Read only ref
F# implementation of RO_ref from the "Effective ML" talk.
92 people like this
Like the snippet!Posted: 14 years ago by fholm
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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: 14 years ago by Dmitri Pavlenkov
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NUnit Sugar
Some simple functions for writing more idiomatic F# tests with NUnit.
91 people like this
Like the snippet!Posted: 15 years ago by Ryan Riley
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Active pattern for let binding inside patterns
The Let active pattern demonstrated by this snippet can be used to assign values to symbols in pattern matching. This is useful for writing complex pattern matching using match as we can handle multiple cases using a single clause.
64 people like this
Like the snippet!Posted: 14 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.
83 people like this
Like the snippet!Posted: 14 years ago by Dmitri Pavlenkov
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Database contains 3207 snippets out of which 1719 is public.