deleted the feed due to severe issues found

i couldn't find a good enough solution so decided to remove entirely

example/main.go

@@ -1,77 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"os"
-	"strings"
-	"time"
-
-	"github.com/nmoniz/gubgub"
-)
-
-func main() {
-	topic := gubgub.NewAsyncTopic[string]()
-	defer topic.Close()
-
-	err := topic.Subscribe(gubgub.Forever(UpperCaser))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	err = topic.Subscribe(Countdown(3))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	err = topic.Subscribe(gubgub.Buffered(gubgub.Forever(Slow)))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	go func() {
-		feed, err := gubgub.Feed(topic, false)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		for s := range feed {
-			log.Printf("ForRange: %s", s)
-		}
-	}()
-
-	fmt.Printf("Use 'Ctrl+C' to exit! Type a message followed by 'Enter' to publish it:\n")
-	scanner := bufio.NewScanner(os.Stdin)
-	for {
-		scanner.Scan()
-		err := scanner.Err()
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		topic.Publish(scanner.Text())
-	}
-}
-
-func UpperCaser(input string) {
-	log.Printf("UpperCaser: %s", strings.ToUpper(input))
-}
-
-func Countdown(count int) gubgub.Subscriber[string] {
-	return func(_ string) bool {
-		count--
-		if count > 0 {
-			log.Printf("Countdown: %d...", count)
-			return true
-		} else {
-			log.Print("Countdown: I'm out!")
-			return false
-		}
-	}
-}
-
-func Slow(input string) {
-	time.Sleep(time.Second * 3)
-	log.Printf("Slow: %s", input)
-}

feed.go

@@ -1,42 +0,0 @@
-package gubgub
-
-import (
-	"iter"
-)
-
-// Feed allows the usage of for/range loop to consume future published messages.
-// The supporting subscriber will eventually be discarded after you exit the for loop.
-func Feed[T any](t Subscribable[T], buffered bool) (iter.Seq[T], error) {
-	feed := make(chan T)               // closed by the subscriber
-	unsubscribe := make(chan struct{}) // closed by the iterator
-
-	subscriber := func(msg T) bool {
-		select {
-		case feed <- msg:
-			return true
-		case <-unsubscribe:
-			close(feed)
-			return false
-		}
-	}
-
-	if buffered {
-		subscriber = Buffered(subscriber)
-	}
-
-	err := t.Subscribe(subscriber)
-	if err != nil {
-		return nil, err
-	}
-
-	// Iterator
-	return func(yield func(T) bool) {
-		defer close(unsubscribe)
-
-		for msg := range feed {
-			if !yield(msg) {
-				return
-			}
-		}
-	}, nil
-}

feed_test.go

@@ -1,64 +0,0 @@
-package gubgub
-
-import (
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestFeed_Topics(t *testing.T) {
-	const msgCount = 10
-
-	subscriberReady := make(chan struct{}, 1)
-	defer close(subscriberReady)
-
-	onSubscribe := WithOnSubscribe(func() {
-		subscriberReady <- struct{}{}
-	})
-
-	testCases := []struct {
-		name  string
-		topic Topic[int]
-	}{
-		{
-			name:  "sync topic",
-			topic: NewSyncTopic[int](onSubscribe),
-		},
-		{
-			name:  "async topic",
-			topic: NewAsyncTopic[int](onSubscribe),
-		},
-	}
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			feed, err := Feed(tc.topic, false)
-			require.NoError(t, err)
-
-			feedback := make(chan int)
-			go func() {
-				for i := range feed {
-					feedback <- i
-				}
-			}()
-
-			go func() {
-				<-subscriberReady
-				for i := range msgCount {
-					require.NoError(t, tc.topic.Publish(i))
-				}
-			}()
-
-			var counter int
-			timeout := testTimer(t, time.Second)
-			for counter < msgCount {
-				select {
-				case <-feedback:
-					counter++
-				case <-timeout.C:
-					t.Fatalf("expected %d feedback values by now but only got %d", msgCount, counter)
-				}
-			}
-		})
-	}
-}