Lets you know the associativity property of a rule get/set
SDK version:
Warning
uCalc API Preview Release Notice:This preview documentation describes the intended behavior of the API. It is not fully accurate or complete.The current preview build contains incomplete features, unoptimized performance, and is subject to breaking changes.Use of the preview version in your production code is not recommended.
[revisit]Lets you know the associativity property of a rule; true means it goes right to left; false means it's left to right (default)getter setter