Abstract batch ID query generation
diff --git a/rackspace/lb/v1/common.go b/rackspace/lb/v1/common.go
new file mode 100644
index 0000000..89d9361
--- /dev/null
+++ b/rackspace/lb/v1/common.go
@@ -0,0 +1,22 @@
+package v1
+
+import (
+ "fmt"
+ "strconv"
+)
+
+// IDSliceToQueryString takes a slice of elements and converts them into a query
+// string. For example, if name=foo and slice=[]int{20, 40, 60}, then the
+// result would be `?name=20&name=40&name=60'
+func IDSliceToQueryString(name string, ids []int) string {
+ str := ""
+ for k, v := range ids {
+ if k == 0 {
+ str += "?"
+ } else {
+ str += "&"
+ }
+ str += fmt.Sprintf("%s=%s", name, strconv.Itoa(v))
+ }
+ return str
+}