fix: add auto generation for Eitherize

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

cli/common.go

@@ -0,0 +1,24 @@
+package cli
+
+import (
+	C "github.com/urfave/cli/v2"
+)
+
+const (
+	keyFilename = "filename"
+	keyCount    = "count"
+)
+
+var (
+	flagFilename = &C.StringFlag{
+		Name:  keyFilename,
+		Value: "gen.go",
+		Usage: "Name of the generated file",
+	}
+
+	flagCount = &C.IntFlag{
+		Name:  keyCount,
+		Value: 20,
+		Usage: "Number of variations to create",
+	}
+)