Is there a class `Undefined` in library Something like <http kotlinlang #arrow

Is there a class `Undefined` in library? Something...

r

rrader

12/08/2018, 5:34 PM

Is there a class

Undefined

in library? Something like https://wiki.haskell.org/Undefined or like

undefined

from JavaScript I need it to implement this https://medium.com/workflowgen/graphql-mutations-partial-updates-implementation-bff586bda989