@hackage / HoleyMonoid

Monoids with holes.

Latest0.1.2

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Last updated 13 Feb 2017, by MartijnVanSteenbergen
License BSD-3-Clause
Categories Data Structures
Maintained by: Martijn van Steenbergen <martijn@van.steenbergen.nl>
Lottery factor: 0

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Installation

Add this line in your cabal file

Readme

The HoleyMonoid allows building monoidal values of which certain components are to be filled in later. For example:

> let holey :: (Show a, Show b) => HoleyMonoid String r (a -> b -> r)
      holey = now "x = " . later show . now ", y = " . later show

> run holey 3 5
"x = 3, y = 5"