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[WIP] Give examples context. #615

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Put code in a function.
yuvallanger committed Jul 20, 2019

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yuvallanger Yuval Langer
commit 8e8ec077e2e15af55898973b87e6bd2228d99457
8 changes: 5 additions & 3 deletions docs/tutorials/src/02_hello_world.md
Original file line number Diff line number Diff line change
@@ -94,9 +94,11 @@ need to create a world in which to store all of our components.
```rust,ignore
use specs::{World, WorldExt, Builder};

let mut world = World::new();
world.register::<Position>();
world.register::<Velocity>();
fn the_world(){
let mut world = World::new();
world.register::<Position>();
world.register::<Velocity>();
}

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Wouldn't it be better to return the world?

```

This will create component storages for `Position`s and `Velocity`s.