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package chans_test
import (
"fmt"
"sync"
"github.com/bradenaw/juniper/chans"
)
func ExampleMerge() {
a := make(chan int)
go func() {
a <- 0
a <- 1
a <- 2
close(a)
}()
b := make(chan int)
go func() {
b <- 5
b <- 6
b <- 7
b <- 8
close(b)
}()
out := make(chan int)
done := make(chan struct{})
go func() {
for i := range out {
fmt.Println(i)
}
close(done)
}()
chans.Merge(out, a, b)
close(out)
<-done
// Unordered output:
// 0
// 1
// 2
// 5
// 6
// 7
// 8
}
func ExampleReplicate() {
in := make(chan int)
go func() {
in <- 0
in <- 1
in <- 2
in <- 3
close(in)
}()
var wg sync.WaitGroup
wg.Add(2)
a := make(chan int)
go func() {
for i := range a {
fmt.Println(i * 2)
}
wg.Done()
}()
b := make(chan int)
go func() {
x := 0
for i := range b {
x += i
fmt.Println(x)
}
wg.Done()
}()
chans.Replicate(in, a, b)
close(a)
close(b)
wg.Wait()
// Unordered output:
// 0
// 2
// 4
// 6
// 0
// 1
// 3
// 6
}
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