I like how there's `.toInt()` and `.toIntOrNull()`...

# getting-started

[kevinmost]

I like how there's .toInt() and .toIntOrNull(). I could see myself wanting to deal with the error case myself, and I'd rather not try/catch on exceptions just for an error case. The nullable return type also forces me to deal with it, whereas I could forget to do a try/catch