Fixes #88 (#95)

accessors.go

 package objx
 
 import (
+	"reflect"
 	"regexp"
 	"strconv"
 	"strings"
@@ -141,9 +142,10 @@ func access(current interface{}, selector string, value interface{}, isSet bool)
 	default:
 		current = nil
 	}
+
 	// do we need to access the item of an array?
 	if index > -1 {
-		if array, ok := current.([]interface{}); ok {
+		if array, ok := interSlice(current); ok {
 			if index < len(array) {
 				current = array[index]
 			} else {
@@ -156,3 +158,22 @@ func access(current interface{}, selector string, value interface{}, isSet bool)
 	}
 	return current
 }
+
+func interSlice(slice interface{}) ([]interface{}, bool) {
+	if array, ok := slice.([]interface{}); ok {
+		return array, ok
+	}
+
+	s := reflect.ValueOf(slice)
+	if s.Kind() != reflect.Slice {
+		return nil, false
+	}
+
+	ret := make([]interface{}, s.Len())
+
+	for i := 0; i < s.Len(); i++ {
+		ret[i] = s.Index(i).Interface()
+	}
+
+	return ret, true
+}

accessors_test.go

@@ -24,11 +24,21 @@ func TestAccessorsAccessGetDeep(t *testing.T) {
 		"name": objx.Map{
 			"first": "Tyler",
 			"last":  "Bunnell",
+			"friends": []string{
+				"Capitol",
+				"Bollocks",
+			},
+			"ifriends": []interface{}{
+				"Capitol",
+				"Bollocks",
+			},
 		},
 	}
 
 	assert.Equal(t, "Tyler", m.Get("name.first").Data())
 	assert.Equal(t, "Bunnell", m.Get("name.last").Data())
+	assert.Equal(t, "Capitol", m.Get("name.friends[0]").Data())
+	assert.Equal(t, "Capitol", m.Get("name.ifriends[0]").Data())
 }
 
 func TestAccessorsAccessGetDeepDeep(t *testing.T) {