58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
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package main
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import (
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"hash/fnv"
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csmap "github.com/mhmtszr/concurrent-swiss-map"
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)
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func main() {
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myMap := csmap.New[string, int](
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// set the number of map shards. the default value is 32.
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csmap.WithShardCount[string, int](32),
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// if don't set custom hasher, use the built-in maphash.
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csmap.WithCustomHasher[string, int](func(key string) uint64 {
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hash := fnv.New64a()
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hash.Write([]byte(key))
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return hash.Sum64()
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}),
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// set the total capacity, every shard map has total capacity/shard count capacity. the default value is 0.
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csmap.WithSize[string, int](1000),
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)
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key := "swiss-map"
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myMap.Store(key, 10)
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val, ok := myMap.Load(key)
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println("load val:", val, "exists:", ok)
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deleted := myMap.Delete(key)
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println("deleted:", deleted)
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ok = myMap.Has(key)
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println("has:", ok)
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empty := myMap.IsEmpty()
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println("empty:", empty)
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myMap.SetIfAbsent(key, 11)
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myMap.Range(func(key string, value int) (stop bool) {
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println("range:", key, value)
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return true
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})
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count := myMap.Count()
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println("count:", count)
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// Output:
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// load val: 10 exists: true
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// deleted: true
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// has: false
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// empty: true
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// range: swiss-map 11
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// count: 1
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}
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