Array Utilities
7 functions for array operations and transformations
first()
Get first element of an array or null
last()
Get last element of an array or null
at(index)
Safe index access (supports negative indices)
length()
Get length of string, array, or object keys
uniq()
Deduplicate array (shallow comparison)
compact()
Remove null, undefined, and empty string elements from array
sort()
Ascending lexicographic/number sort (non-mutating)