remove redundant util function

README.md

@@ -120,6 +120,11 @@ xair-cli strip 1 eq on true
 xair-cli bus 1 name 'vocal mix'
 ```
 
+*set bus 03 eq band 03 (LoMid) gain*
+```console
+xair-cli bus 3 eq 3 gain -- -3.5
+```
+
 *Send a raw OSC message to the mixer*
 ```console
 xair-cli raw /xinfo

strip.go

@@ -135,7 +135,7 @@ func (cmd *StripFadeoutCmd) Run(ctx *context, strip *StripCmdGroup) error {
 
 type StripSendCmd struct {
 	BusNum int      `arg:"" help:"The bus number to get or set the send level for."`
-	Level  *string `arg:"" help:"The send level to set (in dB)."                   optional:""`
+	Level  *float64 `arg:"" help:"The send level to set (in dB)."                   optional:""`
 }
 
 func (cmd *StripSendCmd) Run(ctx *context, strip *StripCmdGroup) error {
@@ -148,11 +148,10 @@ func (cmd *StripSendCmd) Run(ctx *context, strip *StripCmdGroup) error {
 		return nil
 	}
 
-	level := mustConvToFloat64(*cmd.Level)
+	if err := ctx.Client.Strip.SetSendLevel(strip.Index.Index, cmd.BusNum, *cmd.Level); err != nil {
-	if err := ctx.Client.Strip.SetSendLevel(strip.Index.Index, cmd.BusNum, level); err != nil {
 		return fmt.Errorf("failed to set send level: %w", err)
 	}
-	fmt.Fprintf(ctx.Out, "Strip %d send level for bus %d set to: %.2f dB\n", strip.Index.Index, cmd.BusNum, level)
+	fmt.Fprintf(ctx.Out, "Strip %d send level for bus %d set to: %.2f dB\n", strip.Index.Index, cmd.BusNum, *cmd.Level)
 	return nil
 }
 

util.go

@@ -1,12 +0,0 @@
-package main
-
-import "strconv"
-
-// mustConvToFloat64 converts a string to float64, panicking on error.
-func mustConvToFloat64(floatStr string) float64 {
-	level, err := strconv.ParseFloat(floatStr, 64)
-	if err != nil {
-		panic(err)
-	}
-	return level
-}