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exp

GitHub GitHub Action Go Report Card GoDoc

Experimental packages not in std and golang.org/exp

packages

  • sync

    • generic sync.Map: modify sync.Map to support generic
    • Phaser: a reusable synchronization barrier, similar in functionality to java.util.concurrent.Phaser
    • Notifier: implement the observer pattern via channel
    • Shard: a sharding data structure with lock-free read and write
    • Exchanger: a synchronization point at which goroutines can pair and swap elements within pairs. Each goroutine presents some object on entry to the exchange method, matches with a partner goroutine, and receives its partner's object on return. An Exchanger may be viewed as a bidirectional form of a channel.
    • atomicx: add C++ 20 atomic wait/notify feature for go std atomic
      • Pointer[T]
      • Value
      • Uintptr
      • Bool
      • Int32
      • Int64
      • Uint32
      • Uint64
    • Pool: a generic pool, forked from https://github.com/mkmik/syncpool

  • container

    • heap: generic heap
    • binheap: human friendly generic heap
    • list: generic list
    • ring: generic ring
    • skiplist: generic skiplist based on mauricegit/skiplist
    • set: discussion at golang/go#47331
      • Set: generic set
      • SortedSet: generic sorted set
    • maps:
      • OrderedMap: an insert-order map. The main code is forked wk8/go-ordered-map
      • AccessOrderedMap: an access-order map.
      • BidiMap: a bidirectional map.
    • Tuple: a collection of generic tuples.

  • chanx

    • Batch: batch get from channels efficiently

  • io

    • MmapReader: a mmap reader which implements io.Reader, io.ReadAt, io.Closer and can ReadLine

  • db

    • Rows and Row provides two helper functions to query structs from databases.
    • RowsMap and RowMap provides two helper functions to query map from databases.