--- /dev/null
+package objx
+
+// Has gets whether there is something at the specified selector
+// or not.
+//
+// If m is nil, Has will always return false.
+func (m Map) Has(selector string) bool {
+ if m == nil {
+ return false
+ }
+ return !m.Get(selector).IsNil()
+}
+
+// IsNil gets whether the data is nil or not.
+func (v *Value) IsNil() bool {
+ return v == nil || v.data == nil
+}