How do i create a class implementing a suspend block ```clas kotlinlang #coroutines

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Title

s

Sam

11/26/2018, 7:58 PM

How do i create a class implementing a suspend block?

class LambdaClass : suspend () -> Unit {

    override fun invoke() {
        // do something
    }

}

z

zpearce

11/26/2018, 8:46 PM

I don't think you can make a suspending function a supertype at the moment

s

Sam

11/26/2018, 8:47 PM

yeah looks like it

z

zpearce

11/26/2018, 8:47 PM

...would be handy

g

gildor

11/27/2018, 2:30 AM

What is your use case? You cannot have suspend constructor.

Just use builder suspend function instead

s

Sam

11/27/2018, 3:46 AM

Its not about suspend constructor, just a class to represent a suspend lambda block

with a regular lambda block, i can keep all logic including helper methods within the class and just create an instance of it at use site

I was wondering if that was possible with a suspend lambda

g

gildor

11/27/2018, 3:51 AM

Yeah, I see what you mean

b

bolot

12/02/2018, 9:30 PM

do you want something like

class MyLambda() { suspend operator fun invoke() {} }

?

g

gildor

12/03/2018, 1:59 AM

This is not direct relplacement, you cannot use such class as lambda

s

Sam

12/03/2018, 8:11 PM

yeah, that doesn't do it

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