First

The first element of a collection.

Wolfram LanguageFirst!↗

First(collection)the first element of the collection.

Domain: Collections

Details

• . See At.
• Positional indexing from the front (index 1) and back (negative indices).
• On an empty collection, returns the symbol rather than raising an error.
• compute-engine's First doesn't accept one yet.

Examples

See also: Last, At