slice

Contains returns true if a slice contains an element.

CountWhere returns the number of elements in a slice that satisfy a given condition.

Diff finds the difference between two slices, `original` and `changed`.

Map takes a slice of a given type and a function to extract a map key and value from slice elements, returns a new map with those key-value pairs.

Transform takes a slice of a given type, and a function to perform on each element to transform it into a different type.