From bae9f6d2fd5eb5bc80929bd393932b23f14d7c93 Mon Sep 17 00:00:00 2001
From: Jake Champlin <jake.champlin.27@gmail.com>
Date: Tue, 6 Jun 2017 12:40:07 -0400
Subject: Initial transfer of provider code

---
 .../hashicorp/hil/ast/variables_helper.go          | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/hil/ast/variables_helper.go

(limited to 'vendor/github.com/hashicorp/hil/ast/variables_helper.go')

diff --git a/vendor/github.com/hashicorp/hil/ast/variables_helper.go b/vendor/github.com/hashicorp/hil/ast/variables_helper.go
new file mode 100644
index 0000000..06bd18d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hil/ast/variables_helper.go
@@ -0,0 +1,63 @@
+package ast
+
+import "fmt"
+
+func VariableListElementTypesAreHomogenous(variableName string, list []Variable) (Type, error) {
+	if len(list) == 0 {
+		return TypeInvalid, fmt.Errorf("list %q does not have any elements so cannot determine type.", variableName)
+	}
+
+	elemType := TypeUnknown
+	for _, v := range list {
+		if v.Type == TypeUnknown {
+			continue
+		}
+
+		if elemType == TypeUnknown {
+			elemType = v.Type
+			continue
+		}
+
+		if v.Type != elemType {
+			return TypeInvalid, fmt.Errorf(
+				"list %q does not have homogenous types. found %s and then %s",
+				variableName,
+				elemType, v.Type,
+			)
+		}
+
+		elemType = v.Type
+	}
+
+	return elemType, nil
+}
+
+func VariableMapValueTypesAreHomogenous(variableName string, vmap map[string]Variable) (Type, error) {
+	if len(vmap) == 0 {
+		return TypeInvalid, fmt.Errorf("map %q does not have any elements so cannot determine type.", variableName)
+	}
+
+	elemType := TypeUnknown
+	for _, v := range vmap {
+		if v.Type == TypeUnknown {
+			continue
+		}
+
+		if elemType == TypeUnknown {
+			elemType = v.Type
+			continue
+		}
+
+		if v.Type != elemType {
+			return TypeInvalid, fmt.Errorf(
+				"map %q does not have homogenous types. found %s and then %s",
+				variableName,
+				elemType, v.Type,
+			)
+		}
+
+		elemType = v.Type
+	}
+
+	return elemType, nil
+}
-- 
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