This is exactly how Python's 'and' and 'or' work too. The first time I saw it I was baffled. It took me a good while to fully wrap my head around it. I grew to

This is exactly how Python's 'and' and 'or' work too. The first time I saw it I was baffled. It took me a good while to fully wrap my head around it. I grew to love it. Edit: I was mistaken, it's a little different. This is more like groovys safe navigation ?.