Snippets tagged active patterns
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Type based Regex Active Patterns
Regex match via Active Patterns with Type based value extraction.
5 people like this
Like the snippet!Posted: 12 years ago by Nick Palladinos
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Functions not so first class in active patterns
It seems that you can't pass anonymous functions as parameters to active patterns.
3 people like this
Like the snippet!Posted: 12 years ago by Kurt Schelfthout
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Eliminating type annotations with single case Active Patterns
When passing objects as arguments to F# functions, it is almost certain that a type annotation will be required. This may generate long and noisy code at times, but thankfully we can use active patterns to mitigate this annoyance.
14 people like this
Like the snippet!Posted: 11 years ago by Eirik Tsarpalis
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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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Functional wrappers for TryParse APIs
Exemplary convenience wrappers for some of the System.
22 people like this.TryParse APIs, using the combined power of F#' return value deconstruction mechanism via pattern matching, active patterns and option types instead of "out/ref" parameters. Added support for newest versions of F# to determine which overload of TryParse should be used.
Like the snippet!Posted: 4 years ago by Novox
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Active pattern to define default values
This active pattern allows you to specify default values for option arguments in the signature of your function, so you can remove unnecessary calls to defaultArg. It also save you having to define a new name for the defaulted value.
21 people like this
Like the snippet!Posted: 12 years ago by Kurt Schelfthout
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Factoring out FSharpChart
Using FSharpChart control. Just call Charting.Plot() to chart series or collections of series. No need to create forms, etc.
2 people like this
Like the snippet!Posted: 12 years ago by Boris Kogan
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An active pattern combinator for list inputs
A few active pattern combinators useful when pattern matching on lists is necessary.
2 people like this
Like the snippet!Posted: 11 years ago by Eirik Tsarpalis
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Grouping Data Into Buckets Using Fsharp
Sample code snippet to group the data into buckets
3 people like this
Like the snippet!Posted: 8 years ago by Tamizhvendan