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fan-in

go 
package pipeline

import "context"

func generate(ctx context.Context, nums ...int) <-chan int {
	out := make(chan int)

Fan-Out/Fan-In Pipeline With Channels and Context Cancellation in Go

go concurrency channels
by codesnips 3 tabs
go 
package quotes

import (
	"context"
	"encoding/json"
	"fmt"

Fan-In Parallel API Calls With a Bounded Worker Pool and Context Cancellation

go concurrency goroutines
by codesnips 3 tabs