---
title: "Versions"
---

{{< callout type="info">}}
  Header: `version.h`  
  Since: `TBC`  
{{< /callout >}}

As set of macros that allow the version of the ETL to be determined.

## Definitions
```cpp
ETL_VERSION
ETL_VERSION_W
ETL_VERSION_U16
ETL_VERSION_U32
ETL_VERSION_MAJOR
ETL_VERSION_MINOR
ETL_VERSION_PATCH
ETL_VERSION_VALUE
```

## Example values
```cpp
#define ETL_VERSION       "10.21.2"
#define ETL_VERSION_W     L"10.21.2"
#define ETL_VERSION_U16   u"10.21.2"
#define ETL_VERSION_U32   U"10.21.2"
#define ETL_VERSION_MAJOR 10
#define ETL_VERSION_MINOR 21
#define ETL_VERSION_PATCH 2
#define ETL_VERSION_VALUE 102102
```