From 03878d151215277d948b0a1ce31c65d9305d3aa4 Mon Sep 17 00:00:00 2001
From: DJ O'Leary <dijitol@proton.me>
Date: Tue, 14 Jul 2026 02:48:22 +0200
Subject: refactor(pkg): move packages that can be imported by others to pkg
 directory

---
 sync/chan_fan.go | 79 --------------------------------------------------------
 1 file changed, 79 deletions(-)
 delete mode 100644 sync/chan_fan.go

(limited to 'sync/chan_fan.go')

diff --git a/sync/chan_fan.go b/sync/chan_fan.go
deleted file mode 100644
index 13957ed..0000000
--- a/sync/chan_fan.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package sync
-
-import (
-	"context"
-	"sync"
-)
-
-func FanOut[T any](ctx context.Context, in <-chan T, channelCount int, buffer int) []<-chan T {
-	if in == nil {
-		// we only expect this to happen during development
-		panic("in-channel is nil")
-	}
-	if channelCount < 1 {
-		channelCount = 1
-	}
-	if buffer < 0 {
-		buffer = 0
-	}
-
-	chs := make([]chan T, channelCount)
-	for i := range channelCount {
-		chs[i] = make(chan T, buffer)
-	}
-
-	go func() {
-		defer func() {
-			for _, out := range chs {
-				close(out)
-			}
-		}()
-
-		for v := range OrDone(ctx, in) {
-			for _, out := range chs {
-				// N.b. this will block if *any* of the out channels has a full buffer
-				if !CancelOrSend(ctx, out, v) {
-					return
-				}
-			}
-		}
-	}()
-
-	outs := make([]<-chan T, channelCount)
-	for i, out := range chs {
-		outs[i] = out
-	}
-
-	return outs
-}
-
-func FanIn[T any](ctx context.Context, buffer int, ins ...<-chan T) <-chan T {
-	if buffer < 0 {
-		buffer = 0
-	}
-
-	wg := sync.WaitGroup{}
-
-	out := make(chan T, buffer)
-
-	for _, in := range ins {
-		wg.Go(func() {
-			if in == nil {
-				return
-			}
-
-			for v := range OrDone(ctx, in) {
-				if !CancelOrSend(ctx, out, v) {
-					return
-				}
-			}
-		})
-	}
-
-	go func() {
-		wg.Wait()
-		close(out)
-	}()
-
-	return out
-}
-- 
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