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Suspending version of the fold operator? #102

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shubham08gupta opened this issue Nov 27, 2020 · 0 comments

shubham08gupta commented Nov 27, 2020

How about having a suspending version of the fold operator? Something like(please excuse the name):

suspend fun foldSuspend(fnL: suspend (L) -> Any, fnR: suspend (R) -> Any): Any =
        when (this) {
            is Left -> fnL(a)
            is Right -> fnR(b)
        }

Currently, it is:

 fun fold(fnL: (L) -> Any, fnR: (R) -> Any): Any =
        when (this) {
            is Left -> fnL(a)
            is Right -> fnR(b)
        }

Is it a good practice to keep 2 versions of the same function?

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