com#CopyFirst(): Return error if channel is closed from the beginning

Icinga · Apr 30, 2024 · 0f585f7 · 0f585f7
1 parent c0b87a9
commit 0f585f7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/com/com.go b/pkg/com/com.go
@@ -2,6 +2,7 @@ package com
 
 import (
 	"context"
+	"github.com/pkg/errors"
 	"golang.org/x/sync/errgroup"
 )
 
@@ -64,6 +65,8 @@ func CopyFirst[T any](
 	}
 
 	if !ok {
+		err = errors.New("can't copy from closed channel")
+
 		return
 	}