Kotlin Wrappers API Reference
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kotlin-web
/
web.observable
/
Observable
/
reduceAsync
reduce
Async
fun
<
U
:
JsAny
?
>
reduceAsync
(
operation
:
(
previousValue
:
U
,
currentValue
:
T
,
currentIndex
:
Int
)
->
U
,
initialValue
:
U
,
options
:
SubscribeOptions
?
=
definedExternally
)
:
Promise
<
U
>
(
source
)