LINDEX key index
@read
,
@list
,
@slow
,
Returns the element at index index
in the list stored at key
.
The index is zero-based, so 0
means the first element, 1
the second element
and so on.
Negative indices can be used to designate elements starting at the tail of the
list.
Here, -1
means the last element, -2
means the penultimate and so forth.
When the value at key
is not a list, an error is returned.
One of the following: