Go Concurrency Creating goroutines

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Example

Any function can be invoked as a goroutine by prefixing its invocation with the keyword go:

func DoMultiply(x,y int) {
    // Simulate some hard work
    time.Sleep(time.Second * 1)
    fmt.Printf("Result: %d\n", x * y)
}

go DoMultiply(1,2) // first execution, non-blocking
go DoMultiply(3,4) // second execution, also non-blocking

// Results are printed after a single second only, 
// not 2 seconds because they execute concurrently:
// Result: 2
// Result: 12

Note that the return value of the function is ignored.



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