shardkit

Small, dependency-light Go concurrency primitives, extracted from the periapsis control plane.

shardutil — Hash32: FNV-1a + Murmur3 finalizer for selecting a lock-striped shard from a string key. Zero dependencies.
focus — Focus[V]: a generic, string-keyed, internally-sharded concurrent store (a thin, ergonomic wrapper over xsync.Map): Get/Set/Delete, atomic Update, Take (load-and-delete), Range, Len.
workqueue — Queue[K] (dedup, per-key-serializing) + Reconciler[K] (worker pool with delayed/back-off requeue, no goroutine-per-key). Pure stdlib.

import (
	"github.com/apsis-io/shardkit/shardutil"
	"github.com/apsis-io/shardkit/focus"
	"github.com/apsis-io/shardkit/workqueue"
)

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