Fix pointer confusion when assigning map to struct

The Map was not able to `ReflectTo()` a reflect.Value with kind `Struct`
sinc it assumed that all structs would be sent as pointers. That isn't
the case when the call comes from `FromValue()`.

internal/map.go

@@ -701,12 +701,15 @@ func (g *hashMap) ReflectTo(value reflect.Value) {
 			panic(catch.Error(`reflectTo: nil pointer`))
 		}
 		ht = ht.Elem()
-		if ht.Kind() == reflect.Struct {
-			v := value.Elem()
-			s := Struct(v, false)
-			s.PutAll(g)
-			return
+	}
+
+	if ht.Kind() == reflect.Struct {
+		if ptr {
+			value = value.Elem()
 		}
+		s := Struct(value, false)
+		s.PutAll(g)
+		return
 	}
 	if ht.Kind() == reflect.Interface && ht.Name() == `` {
 		ht = g.Type().ReflectType()

internal/map_test.go

@@ -771,6 +771,34 @@ func TestMap_ReflectTo_struct(t *testing.T) {
 	assert.Panic(t, func() { m.ReflectTo(reflect.ValueOf(sb)) }, `reflectTo: nil pointer`)
 }
 
+func TestMap_ReflectTo_structElem(t *testing.T) {
+	m := vf.Map(
+		`First`, 1,
+		`Second`, 2.0,
+		`Third`, `three`)
+
+	type structA struct {
+		First  int
+		Second float64
+	}
+	type structB struct {
+		structA
+		Third string
+	}
+
+	sb := &structB{}
+	m.ReflectTo(reflect.ValueOf(sb).Elem())
+	assert.Equal(t, 1, sb.First)
+	assert.Equal(t, 2.0, sb.Second)
+	assert.Equal(t, `three`, sb.Third)
+
+	sb = &structB{}
+	vf.FromValue(m, sb)
+	assert.Equal(t, 1, sb.First)
+	assert.Equal(t, 2.0, sb.Second)
+	assert.Equal(t, `three`, sb.Third)
+}
+
 func TestMap_Remove(t *testing.T) {
 	mi := vf.Map(
 		`first`, 1,