References

• Combinators

  Daniel Steinberg • Sep 14, 2018

  Daniel gives a wonderful overview of how the idea of “combinators” infiltrates many common programming tasks.

  Note

  Just as with OO, one of the keys to a functional style of programming is to write very small bits of functionality that can be combined to create powerful results. The glue that combines the small bits are called Combinators. In this talk we’ll motivate the topic with a look at Swift Sets before moving on to infinite sets, random number generators, parser combinators, and Peter Henderson’s Picture Language. Combinators allow you to provide APIs that are friendly to non-functional programmers.

• Parser Combinators in Swift

  Yasuhiro Inami • May 2, 2016

  In the first ever try! Swift conference, Yasuhiro Inami gives a broad overview of parsers and parser combinators, and shows how they can accomplish very complex parsing.

  Note

  Parser combinators are one of the most awesome functional techniques for parsing strings into trees, like constructing JSON. In this talk from try! Swift, Yasuhiro Inami describes how they work by combining small parsers together to form more complex and practical ones.

• Regex

  Alexander Grebenyuk • Aug 10, 2019

  This library for parsing regular expression strings into a Swift data type uses many of the ideas developed in our series of episodes on parsers. It’s a great example of how to break a very large, complex problem into many tiny parsers that glue back together.

• Regexes vs Combinatorial Parsing

  Soroush Khanlou • Dec 3, 2019

  In this article, Soroush Khanlou applies parser combinators to a real world problem: parsing notation for a music app. He found that parser combinators improved on regular expressions not only in readability, but in performance!

• Learning Parser Combinators With Rust

  Bodil Stokke • Apr 18, 2019

  A wonderful article that explains parser combinators from start to finish. The article assumes you are already familiar with Rust, but it is possible to look past the syntax and see that there are many shapes in the code that are similar to what we have covered in our episodes on parsers.

• Sparse

  John Patrick Morgan • Jan 12, 2017

  A parser library built in Swift that uses many of the concepts we cover in our series of episodes on parsers.

  Note

  Sparse is a simple parser-combinator library written in Swift.

• parsec

  Daan Leijen, Paolo Martini, Antoine Latter

  Parsec is one of the first and most widely used parsing libraries, built in Haskell. It’s built on many of the same ideas we have covered in our series of episodes on parsers, but using some of Haskell’s most powerful type-level features.

• Parse, don’t validate

  Alexis King • Nov 5, 2019

  This article demonstrates that parsing can be a great alternative to validating. When validating you often check for certain requirements of your values, but don’t have any record of that check in your types. Whereas parsing allows you to upgrade the types to something more restrictive so that you cannot misuse the value later on.

• Ledger Mac App: Parsing Techniques

  Chris Eidhof & Florian Kugler • Aug 26, 2016

  In this free episode of Swift talk, Chris and Florian discuss various techniques for parsing strings as a means to process a ledger file. It contains a good overview of various parsing techniques, including parser grammars.

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