if it could be either 0 or 1 use ` find` which will return ` kotlinlang #getting-started

if it could be either 0 or 1, use `.find`, which w...

kevinmost

02/01/2018, 7:56 PM

if it could be either 0 or 1, use

.find

, which will return

null

if it's not present.

first

will throw if it's not present