FunctionArrayUnique

Library "FunctionArrayUnique"
Method for retrieving the unique elements in a array.
for example [1, 2, 1, 1, 2] would retrieve a array with [1, 2],
the elements retrieved will be sorted by its first seen index in
parent array.
note: float values have no precision option.

unique(source)
  method for retrieving the unique elements in a array.
  Parameters:
    source: array<float> source array to extract elements.
  Returns: array<float> unique elements in the source array.

unique(source)
  method for retrieving the unique elements in a array.
  Parameters:
    source: array<int> source array to extract elements.
  Returns: array<int> unique elements in the source array.

unique(source)
  method for retrieving the unique elements in a array.
  Parameters:
    source: array<string> source array to extract elements.
  Returns: array<string> unique elements in the source array.