Looking in the flow builder I was confused by the ...

# announcements

[Miguel Vargas]

Looking in the flow builder I was confused by the type signature of the block param

suspend FlowCollector<T>.() -> Unit

In general what is the meaning of Type.()?

[louiscad]

https://kotlinlang.org/docs/reference/lambdas.html#function-literals-with-receiver

[Miguel Vargas]

Is it an extension function?

[streetsofboston]

Kinda like that, yes. Instead of an extension function , this is like an extension lambda.