createTimer Syntax

[Lugor (Jie Zhang)]

Hello,

Is there a syntax difference between:
timer = createTimer(now.plusMinutes(5)) [| … ]
vs
timer = createTimer(now.plusMinutes(5), [| …])

And why the difference?

[sihui]

Yet another Timer question

Actually, OP’s syntax for that part (i.e. , [|) is valid and actually my preferred way to create timers. It’s long and technical that I’ve written it up before and won’t go into here. The tl;Dr is the stuff in [| ] defines a lambda. Lambdas are a way to pass a function around to methods like any other object or primitive (a lambda is in fact an object). The syntax shortcut that lets you write creatTimer(sometime) [| code] hides that fact. IMHO it is a bit of syntactical sugar that saves a few ke…