coalesce

??

if first value is null or false, return second value; otherwise return the first one

Parameters

coalesce value :any
         alternative :any

Returns

  • :any

Examples

copy
; Note that 'attr returns null if it has no attribute          
print coalesce attr "myAttr" "attr not found"
print (attr "myAttr") ?? "attr not found"

print (myData) ?? defaultData

Related