move to messaging

This commit is contained in:
Edward 2020-05-07 12:03:21 +08:00
parent 2212079ecd
commit a3638a1084
2 changed files with 0 additions and 62 deletions

View File

@ -1,62 +0,0 @@
package main
import (
"fmt"
)
func main() {
randomNumbers := []int{13, 44, 56, 99, 9, 45, 67, 90, 78, 23}
// generate the common channel with inputs
inputChan := generatePipeline(randomNumbers)
// Fan-out to 2 Go-routine
c1 := squareNumber(inputChan)
c2 := squareNumber(inputChan)
// Fan-in the resulting squared numbers
c := fanIn(c1, c2)
sum := 0
// Do the summation
for i := 0; i < len(randomNumbers); i++ {
sum += <-c
}
fmt.Printf("Total Sum of Squares: %d", sum)
}
func generatePipeline(numbers []int) <-chan int {
out := make(chan int)
go func() {
for _, n := range numbers {
out <- n
}
close(out)
}()
return out
}
func squareNumber(in <-chan int) <-chan int {
out := make(chan int)
go func() {
for n := range in {
out <- n * n
}
close(out)
}()
return out
}
func fanIn(input1, input2 <-chan int) <-chan int {
c := make(chan int)
go func() {
for {
select {
case s := <-input1:
c <- s
case s := <-input2:
c <- s
}
}
}()
return c
}