left¶
Extract the first n elements from an object.
Parameters:
| No. | Type | Comments |
|---|---|---|
| 1 | string or list< T > | Object to extract values from |
| 2 | int | Number of elements to be extracted from the start |
Returns:
The extracted result. Note the result is
optional, and none is returned if its not possible extract the required number of elements.
Usages:
left( v:list<T>, count : int ) : list<T>left( v:string, count : int ) : string