1 #ifndef _DEARRAYUTIL_HPP
2 #define _DEARRAYUTIL_HPP
3 /*-------------------------------------------------------------------------
4  * drawElements C++ Base Library
5  * -----------------------------
6  *
7  * Copyright 2015 The Android Open Source Project
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  *
21  *//*!
22  * \file
23  * \brief Array utils
24  *//*--------------------------------------------------------------------*/
25 
26 #include "deDefs.hpp"
27 #include "deMeta.hpp"
28 
29 namespace de
30 {
31 
32 //! Get an element of an array with a specified size.
33 template <int LastElementIndex, int Size, typename Elem>
getSizedArrayElement(const Elem (& array)[Size],typename de::meta::EnableIf<int,LastElementIndex==Size>::Type offset)34 const Elem& getSizedArrayElement (const Elem (&array)[Size], typename de::meta::EnableIf<int, LastElementIndex==Size>::Type offset)
35 {
36 	DE_ASSERT(inBounds(offset, 0, Size));
37 	return array[offset];
38 }
39 
40 //! Get an element of an array with a compile-time constant size.
41 template <int Size, typename Elem>
getArrayElement(const Elem (& array)[Size],int offset)42 const Elem& getArrayElement (const Elem (&array)[Size], int offset)
43 {
44 	DE_ASSERT(inBounds(offset, 0, Size));
45 	return array[offset];
46 }
47 
48 } // de
49 
50 #endif // _DEARRAYUTIL_HPP
51