Visualizing gridsim grids
```rust extern crate gridsim; extern crate gridsim_ui;
use gridsim::{SquareGrid, GOL}; use gridsim_ui::Loop;
fn main() {
let grid = SquareGrid::
See examples/langtons_ant.rs
for how to define a Rule
.
See evomata12 for how to define a Sim
.