https://github.com/tarsisexistence/fuzion

shortcut fu⚡️ion for TypeScript
https://github.com/tarsisexistence/fuzion

fp functional-programming javascript shortcut-fusion typescript

Last synced: 19 days ago
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shortcut fu⚡️ion for TypeScript

• Host: GitHub
• URL: https://github.com/tarsisexistence/fuzion
• Owner: tarsisexistence
• Created: 2021-07-10T12:25:01.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2024-10-23T04:44:21.000Z (24 days ago)
• Last Synced: 2024-10-23T15:28:53.210Z (24 days ago)
• Topics: fp, functional-programming, javascript, shortcut-fusion, typescript
• Language: TypeScript
• Homepage:
• Size: 169 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 7
• Metadata Files:
  • Readme: README.md

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README

        
# Fuzion

Runtime implementation of shortcut fusion for JavaScript and TypeScript.




#### Definition ([haskell docs](https://wiki.haskell.org/Short_cut_fusion))

Shortcut fusion is an optimizer method that merges some function calls into one. E.g., `map f * map g` can be substituted by `map (f * g)`, and `filter p * filter q` can be substituted by `filter (\x -> q x && p x)`. It can also help to remove intermediate data structures. E.g., computing `sum [1..n]` does not require an explicit list structure, and the expression is actually translated into a simple loop.




#### API

So far, it supports the following operators:

- fuzion - performs left-to-right function composition. In some libraries this function is named `pipe`, `sequence`.

- map - applies another function to a list of elements and returns a new result on every element in the calling array.

- filter - invokes a provided predicate function for each array element and includes it into the result.

- forEach - executes a provided function once for each array element.

- take - cuts the length of the produced result. It helps to save operators calls to other operators on array elements that will not be included in the final result.