1 files changed, 13 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go b/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go
index 64d8263..6ccc523 100644
--- a/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go
+++ b/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go
@@ -1,6 +1,8 @@
 package hashcode
 
 import (
+        "bytes"
+        "fmt"
         "hash/crc32"
 )
 
@@ -20,3 +22,14 @@ func String(s string) int {
         // v == MinInt
         return 0
 }
+
+// Strings hashes a list of strings to a unique hashcode.
+func Strings(strings []string) string {
+        var buf bytes.Buffer
+
+        for _, s := range strings {
+                buf.WriteString(fmt.Sprintf("%s-", s))
+        }
+
+        return fmt.Sprintf("%d", String(buf.String()))
+}