make all warnings to go stderr

1 files changed, 8 insertions, 2 deletions

diff --git a/spool/spool.go b/spool/spool.go
index d582cfb..4dc7b87 100644
--- a/spool/spool.go
+++ b/spool/spool.go
@@ -1,6 +1,12 @@
 package spool
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+)
 
 var Print = fmt.Printf
-var Warn = fmt.Printf
+
+var Warn = func(format string, values ...any) (any, error) {
+	return fmt.Fprintf(os.Stderr, format, values...)
+}