Andrew Kelley 698829b772 change while syntax ...

Old:

```
while (condition; expression) {}
```

New:

```
while (condition) : (expression) {}
```

This is in preparation to allow nullable and
error union types as the condition. See #357

2017-05-03 18:12:07 -04:00

..

main.zig

change while syntax

2017-05-03 18:12:07 -04:00