List Index Of

Category: Lists

Pure read expression that returns the index of a value in a list. end=FIRST (default) searches from the start. end=LAST searches from the end. Returns -1 if the value is not found. Matching uses the runtime's direct equality semantics (=== / reference identity for objects).

Inputs

Input	Required	Value Kind	Types	Enum Values
list	yes	expression	array	—
find	yes	expression	—	—
end	no	string	enum-string	FIRST, LAST

Notes

• Pure read expression that returns the index of a value in a list.
• end=FIRST (default) searches from the start.
• end=LAST searches from the end.
• Returns -1 if the value is not found.
• Matching uses the runtime's direct equality semantics (=== / reference identity for objects).