contains({ 1, 2, 3 }, tointeger({}))

Question

The Output is True ,why

Stefan Helzle · Accepted Answer

Good question, but at least it is documented. 
 https://docs.appian.com/suite/help/24.3/fnc_set_contains.html#check-for-a-null-value

Mike Schmitt · Answer

technically every set contains an empty set (in any number). a little bit like how you can multiply any number by zero and get a valid result (zero). unintuitive, but still true.

contains({ 1, 2, 3 }, tointeger({}))

Top Replies