Make Nix builds work

1 files changed, 59 insertions, 0 deletions

diff --git a/vendor/github.com/modern-go/reflect2/unsafe_eface.go b/vendor/github.com/modern-go/reflect2/unsafe_eface.go
new file mode 100644
index 0000000..805010f
--- /dev/null
+++ b/vendor/github.com/modern-go/reflect2/unsafe_eface.go
@@ -0,0 +1,59 @@
+package reflect2
+
+import (
+        "reflect"
+        "unsafe"
+)
+
+type eface struct {
+        rtype unsafe.Pointer
+        data  unsafe.Pointer
+}
+
+func unpackEFace(obj interface{}) *eface {
+        return (*eface)(unsafe.Pointer(&obj))
+}
+
+func packEFace(rtype unsafe.Pointer, data unsafe.Pointer) interface{} {
+        var i interface{}
+        e := (*eface)(unsafe.Pointer(&i))
+        e.rtype = rtype
+        e.data = data
+        return i
+}
+
+type UnsafeEFaceType struct {
+        unsafeType
+}
+
+func newUnsafeEFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeEFaceType {
+        return &UnsafeEFaceType{
+                unsafeType: *newUnsafeType(cfg, type1),
+        }
+}
+
+func (type2 *UnsafeEFaceType) 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 *UnsafeEFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
+        if ptr == nil {
+                return true
+        }
+        return unpackEFace(*(*interface{})(ptr)).data == nil
+}
+
+func (type2 *UnsafeEFaceType) Indirect(obj interface{}) interface{} {
+        objEFace := unpackEFace(obj)
+        assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
+        return type2.UnsafeIndirect(objEFace.data)
+}
+
+func (type2 *UnsafeEFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
+        return *(*interface{})(ptr)
+}