Return an array free of duplicate values. Very fast implementation.

An awk-like command-line tool for processing text, CSV, JSON, HTML, and XML.

No dups, no doubts

Create an iterator which returns the union of two or more iterators.

Create an iterator which returns unique values according to a predicate function.

Sort, uniq, reverse, and randomize data

Create an iterator which returns unique values according to a hash function.

Create an iterator which returns unique values.

Create an iterator which removes consecutive duplicated values.

Copy elements to a new generic array after removing consecutive duplicated values.

Create an iterator which removes consecutive values that resolve to the same value according to a provided function.

Create an iterator which returns the intersection of two or more iterators.

Create an iterator which returns the intersection of two or more iterators according to a hash function.

Remove consecutive duplicated values.

Write as you speak and read as it is written. — Vuk Stefanović Karadžić

Unique for array based on next.

Strip an array of all duplicate entries, including complex objects