FutureProg functions
collectionisvalidindex
collectionisvalidindex overload 1
Boolean collectionisvalidindex(Void Collection collection, Number index)
Available in
- computer function
- computer program
- standard futureprog
Returns true if the supplied zero-based index points at an item in the collection.
| Parameter | Type | Description |
|---|---|---|
collection |
Void Collection |
The collection to inspect or transform |
index |
Number |
The zero-based index to test |