listtools.is_unique

abjad.tools.listtools.is_unique(l)

New in version 1.1.1.

Return True when the elements in iterable l are unique, otherwise False.

abjad> l = [1, 1, 1, 2, 3, 3, 4, 5]
abjad> listtools.is_unique(l)
False

Defined equal to l == type(l)(set(l)).

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