Correction of table of contents in general concepts.

- [Devices and allocators<a name="devices-and-allocators"></a>](#devices-and-allocators)

- [Algorithms and lambda functions<a name="algorithms-and-lambda-functions"></a>](#algorithms-and-lambda-functions)

- [Shared pointers and views<a name="shared-pointers-and-views"></a>](#shared-pointers-and-views)

  - [Data structures views](#data-structures-views)

  - [Shared pointers](#shared-pointers)

  - [Data structures views<a name="data-structures-views"></a>](#data-structures-views)

  - [Shared pointers<a name="shared-pointers"></a>](#shared-pointers)

## Introduction

1. Data structures views

2. Shared pointers

### Data structures views

### Data structures views<a name="data-structures-views"></a>

View is a kind of lightweight reference object which makes only a shallow copy of itself in copy constructor. Therefore view can by captured by value, but because it is, in fact, a reference to another object, everything we do with the view will affect the original object. The example with the array would look as follows:

On the line 6, we change value of the first element. This causes no data reallocation or change of size and so the view fetched on the line 5 is still valid and up-to-date.

### Shared pointers

### Shared pointers<a name="shared-pointers"></a>

TNL offers smart pointers working across different devices (meaning CPU or GPU).

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