1 files changed, 19 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/config/module/tree.go b/vendor/github.com/hashicorp/terraform/config/module/tree.go
index b6f90fd..4b0b153 100644
--- a/vendor/github.com/hashicorp/terraform/config/module/tree.go
+++ b/vendor/github.com/hashicorp/terraform/config/module/tree.go
@@ -92,6 +92,25 @@ func (t *Tree) Children() map[string]*Tree {
         return t.children
 }
 
+// DeepEach calls the provided callback for the receiver and then all of
+// its descendents in the tree, allowing an operation to be performed on
+// all modules in the tree.
+//
+// Parents will be visited before their children but otherwise the order is
+// not defined.
+func (t *Tree) DeepEach(cb func(*Tree)) {
+        t.lock.RLock()
+        defer t.lock.RUnlock()
+        t.deepEach(cb)
+}
+
+func (t *Tree) deepEach(cb func(*Tree)) {
+        cb(t)
+        for _, c := range t.children {
+                c.deepEach(cb)
+        }
+}
+
 // Loaded says whether or not this tree has been loaded or not yet.
 func (t *Tree) Loaded() bool {
         t.lock.RLock()