This examples directory shows some examples written in [Hack](https://hacklang.org).

### Requirements :

- [HHVM](https://github.com/facebook/hhvm) 3.30+
- [HSL ( Hack Standard Library )](https://github.com/hhvm/hsl) 3.30+
- [HSL Experimental](https://github.com/hhvm/hsl-experimental) 3.30+

You can also test the command files by running from the command line :

```
$ hhvm count.hh
1
2
3
4
5
6
7
8
9
10
```
