25 lines
427 B
Go
25 lines
427 B
Go
package main
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import (
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"sync/atomic"
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)
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func main() {
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var v int64
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atomic.StoreInt64(&v, 100)
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println("store:", atomic.LoadInt64(&v))
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ret := atomic.AddInt64(&v, 1)
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println("ret:", ret, "v:", v)
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swp := atomic.CompareAndSwapInt64(&v, 100, 102)
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println("swp:", swp, "v:", v)
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swp = atomic.CompareAndSwapInt64(&v, 101, 102)
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println("swp:", swp, "v:", v)
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ret = atomic.AddInt64(&v, -1)
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println("ret:", ret, "v:", v)
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}
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