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package rcu

Read-Copy-Update for Haskell Read-Copy-Update for Haskell.
package rdf

Representation and Incremental Processing of RDF Data Data structures, parsers, and encoders for RDF data sets based on the RDF 1.1 abstract syntax and RFC 3987. The interface is intended to support incremental graph processing in constant space.
package re2

Bindings to the re2 regular expression library re2 is a regular expression library offering predictable run-time and memory consumption. This package is a binding to re2. Supported expression syntax is documented at https://github.com/google/re2/
```
$ ghci -XOverloadedStrings
ghci> import Regex.RE2

ghci> find "\\w+" "hello world"
Just (Match [Just "hello"])

ghci> find "\\w+$" "hello world"
Just (Match [Just "world"])

ghci> find "^\\w+$" "hello world"
Nothing
```
package read-editor

Opens a temporary file on the system's EDITOR and returns the resulting edits See https://github.com/yamadapc/haskell-read-editor for more information
package read-env-var

Functions for safely reading environment variables. Please see README.md
package readable

Reading from Text and ByteString Provides a Readable type class for reading data types from ByteString and Text. Also includes efficient implementations for common data types.
package real-dice

Random number generation based on physical media touched by humans This package provides random data gathered via human interaction with the physical world as well as utilities to leverage this data for random number generation and other RNG-based tasks
package rec-def

Recursively defined values This library provides safe APIs that allow you to define and calculate values recursively, and still get a result out:
```
let s1 = RS.insert 23 s2
s2 = RS.insert 42 s1
in RS.get s1
```
will not loop, but rather produces the set fromList [23,42] See Data.Recursive.Examples for more examples, or just browse the modules
More APIs (e.g. for maps or Natural) can be added over time, as need and good use-cases arise. For the (unsafe) building blocks to build such APIs, see
- Data.Propagator.Purify for the wrapper that turns an IO-implemented propagator into a pure data structure
- Data.Propagator.Naive for a naive propagator implementation
- Data.Propagator.P2 for a smarter propagator implementation for the two-point lattice, i.e. Bool
The library is not (yet) focussed on performance, and uses a rather naive propagator implementation. Expect this to be slow if you have large graphs. This may be improved in the future (e.g. by propagating only deltas, and accumulating deltas before applying a function), but for now the focus is on foremost providing this capability in the first place and getting the user-facing API right.
package record-hasfield

A version of GHC.Records as available in future GHCs. This package provides a version of GHC.Records as it will be after the implementation of GHC proposal #42, plus some helper functions over it.
package redact

hide secret text on the terminal This package provides a utility for redacting secret text on the terminal. Please see the README on GitHub at https://github.com/ExtremaIS/redact-haskell#readme.

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