better solution for 'unused' lint errors

cmd/bee/cmd/export_test.go

@@ -9,13 +9,18 @@ type (
 
 var (
 	NewCommand = newCommand
+
+	// avoid unused lint errors until the functions are used
+	_ = WithCfgFile
+	_ = WithInput
+	_ = WithErrorOutput
 )
 
-// func WithCfgFile(f string) func(c *Command) {
-// 	return func(c *Command) {
-// 		c.cfgFile = f
-// 	}
-// }
+func WithCfgFile(f string) func(c *Command) {
+	return func(c *Command) {
+		c.cfgFile = f
+	}
+}
 
 func WithHomeDir(dir string) func(c *Command) {
 	return func(c *Command) {
@@ -29,11 +34,11 @@ func WithArgs(a ...string) func(c *Command) {
 	}
 }
 
-// func WithInput(r io.Reader) func(c *Command) {
-// 	return func(c *Command) {
-// 		c.root.SetIn(r)
-// 	}
-// }
+func WithInput(r io.Reader) func(c *Command) {
+	return func(c *Command) {
+		c.root.SetIn(r)
+	}
+}
 
 func WithOutput(w io.Writer) func(c *Command) {
 	return func(c *Command) {
@@ -41,8 +46,8 @@ func WithOutput(w io.Writer) func(c *Command) {
 	}
 }
 
-// func WithErrorOutput(w io.Writer) func(c *Command) {
-// 	return func(c *Command) {
-// 		c.root.SetErr(w)
-// 	}
-// }
+func WithErrorOutput(w io.Writer) func(c *Command) {
+	return func(c *Command) {
+		c.root.SetErr(w)
+	}
+}