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Within LTS Haskell 24.42 (ghc-9.10.3)

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  1. package some-dict-of

    Carry evidence of constraints around Please see the README on GitHub at https://github.com/parsonsmatt/some-dict-of#readme

  2. package sorted-list

    Type-enforced sorted lists and related functions. Type-enforced sorted lists and related functions. These are useful for:

    • Constraining the argument of a function to be a sorted list by stating in your type that the input list is a sorted list.
    • Avoiding sorting a list twice.
    • Creating a list that is sorted from the moment of its construction, so it doesn't have to be sorted later.
    • Performing list operations keeping the input list sorted.
    • Improving those list operations that can be benefited from the ordering of its elements.
    • Creating infinite lists that are sorted!
    • And more!
    If you are missing a feature, do not hesitate to ask by opening an issue at the bug-tracker.

  3. package speculate

    discovery of properties about Haskell functions Speculate automatically discovers laws about Haskell functions. Give Speculate a bunch of Haskell functions and it will discover laws like:

    • equations, such as id x == x ;
    • inequalities, such as 0 <= x * x ;
    • conditional equations, such as x <= 0 ==> x + abs x == 0 .

  4. package srcloc

    Data types for managing source code locations. Data types for tracking, combining, and printing source code locations.

  5. package statestack

    Simple State-like monad transformer with saveable and restorable state Simple State-like monad transformer where states can be saved to and restored from an internal stack.

  6. package stm-conduit

    Introduces conduits to channels, and promotes using conduits concurrently. Provides two simple conduit wrappers around STM channels - a source and a sink.

  7. package stm-containers

    Containers for STM This library is based on an STM-specialized implementation of Hash Array Mapped Trie. It provides efficient implementations of Map, Set and other data structures, which starting from version 1 perform even better than their counterparts from "unordered-containers", but also scale well on concurrent access patterns. . For details on performance of the library, which are a bit outdated, see this blog post.

  8. package stm-delay

    Updatable one-shot timer polled with STM This library lets you create a one-shot timer, poll it using STM, and update it to ring at a different time than initially specified. It uses GHC event manager timeouts when available (GHC 7.2+, -threaded, non-Windows OS), yielding performance similar to threadDelay and registerDelay. Otherwise, it falls back to forked threads and threadDelay.

    • 0.1.1.2 (2025-05-08)
    • Remove a call to ensureIOManagerIsRunning, for consistency with System.Timeout
    • Adjust timings in the testsuite to fix intermittent failure in the non-threaded RTS case.
    • 0.1.1 (2014-09-14)
    • Add tryWaitDelayIO, improve performance for certain cases of newDelay and updateDelay, and improve example.

  9. package storable-peek-poke

    class Sizable, Peek and Poke Please see the README on GitHub at https://github.com/YoshikuniJujo/storable-peek-poke#readme

  10. package strict-list

    Strict linked list Implementation of strict linked list with care taken about stack.

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