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Monthly Downloads: 19
Programming language: Haskell
License: MIT License
Tags: Control    

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README

The grab package

newtype Grab bag residue log desideratum =
  Grab
    (bag -> (residue, log, Maybe desideratum))

A Grab:

  1. Consumes some portion (none, part, or all) of its input bag;
  2. Returns a Result:
    • A residue consisting of the unconsumed input;
    • Some monoidal log e.g. a list of error messages;
    • Some desideratum (the object of desire) produced from the consumed input, or Nothing if the grab failed.

Read more in the [Control.Grab](grab/src/Control/Grab.hs) module.

The grab-form package

Utilizes the grab package to consume typical HTTP form submission data.

Read more in the [tutorial](grab-form/test/Test/Tutorial.hs) test module.