»element Function

element retrieves a single element from a list.

The index is zero-based. This function produces an error if used with an empty list.

Use the built-in index syntax list[index] in most cases. Use this function only for the special additional "wrap-around" behavior described below.

»Examples

If the given index is greater than the length of the list then the index is "wrapped around" by taking the index modulo the length of the list:

»Related Functions

  • index finds the index for a particular element value.
  • lookup retrieves a value from a map given its key.