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Every last Tuesday of the month

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FParsec ( is a parser combinator library for F# that let's you quickly build a recursive-descent text parser.

This session will introduce parsing domain-specific and general purpose languages using FParsec. Along the way we'll also cover creating a simple Abstract Syntax Tree (AST) with discriminated unions, and interpreting or compiling the language using pattern matching.

To get the most from the session, please bring along a laptop with F# installed (

Phil, Microsoft MVP (, is an active member of the software development community, regularly attending and speaking at user groups and conferences, blogging and contributing to open source projects. He is a co-organizer of the London F# User Group and a founding member of the F# Foundation.


The ADA meeting room fits about 25 people and if we need more space, we can use the canteen, which has a capacity of +50.


Ramón and Joakim

p.s.: Agenda for the meeting will be updated later.