And the vast majority of the time, we just pretend it's a weird syntax if-statement. The practical importance is that we use the same tools to search for imple

And the vast majority of the time, we just pretend it's a weird syntax if-statement. The practical importance is that we use the same tools to search for implementers and senders of #ifTrue: as we use to search for implementers and senders of any other method. (We use the same pencil to sketch that we use to write.)