Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/github.com/modern-go/reflect2/unsafe_iface.go b/vendor/github.com/modern-go/reflect2/unsafe_iface.go
new file mode 100644
index 0000000..b601955
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/unsafe_iface.go
@@ -0,0 +1,64 @@
+package reflect2
+
+import (
+ "reflect"
+ "unsafe"
+)
+
+type iface struct {
+ itab *itab
+ data unsafe.Pointer
+}
+
+type itab struct {
+ ignore unsafe.Pointer
+ rtype unsafe.Pointer
+}
+
+func IFaceToEFace(ptr unsafe.Pointer) interface{} {
+ iface := (*iface)(ptr)
+ if iface.itab == nil {
+ return nil
+ }
+ return packEFace(iface.itab.rtype, iface.data)
+}
+
+type UnsafeIFaceType struct {
+ unsafeType
+}
+
+func newUnsafeIFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeIFaceType {
+ return &UnsafeIFaceType{
+ unsafeType: *newUnsafeType(cfg, type1),
+ }
+}
+
+func (type2 *UnsafeIFaceType) Indirect(obj interface{}) interface{} {
+ objEFace := unpackEFace(obj)
+ assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
+ return type2.UnsafeIndirect(objEFace.data)
+}
+
+func (type2 *UnsafeIFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
+ return IFaceToEFace(ptr)
+}
+
+func (type2 *UnsafeIFaceType) IsNil(obj interface{}) bool {
+ if obj == nil {
+ return true
+ }
+ objEFace := unpackEFace(obj)
+ assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
+ return type2.UnsafeIsNil(objEFace.data)
+}
+
+func (type2 *UnsafeIFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
+ if ptr == nil {
+ return true
+ }
+ iface := (*iface)(ptr)
+ if iface.itab == nil {
+ return true
+ }
+ return false
+}