def __init__(self, tokens=None, item_class=None, custom_identifier=None):
from abjad.tools import pitchtools
prototype = (
pitchtools.PitchClassSegment,
pitchtools.PitchClassSet,
pitchtools.PitchSegment,
pitchtools.PitchSet,
)
if isinstance(tokens, prototype):
tokens = list(tokens)
pairs = sequencetools.yield_all_unordered_pairs_of_sequence(tokens)
tokens = [second - first for first, second in pairs]
Set.__init__(self, tokens=tokens, item_class=item_class, custom_identifier=custom_identifier)
def __init__(self, items=None, item_class=None):
from abjad.tools import pitchtools
prototype = (
pitchtools.PitchClassSegment,
pitchtools.PitchClassSet,
pitchtools.PitchSegment,
pitchtools.PitchSet,
)
if isinstance(items, prototype):
items = list(items)
pairs = sequencetools.yield_all_unordered_pairs_of_sequence(items)
items = [second - first for first, second in pairs]
Set.__init__(
self,
items=items,
item_class=item_class,
)
def __init__(self, items=None, item_class=None):
from abjad.tools import pitchtools
prototype = (
pitchtools.PitchClassSegment,
pitchtools.PitchClassSet,
pitchtools.PitchSegment,
pitchtools.PitchSet,
)
if isinstance(items, prototype):
items = list(items)
pairs = sequencetools.yield_all_unordered_pairs_of_sequence(
items)
items = [second - first for first, second in pairs]
Set.__init__(
self,
items=items,
item_class=item_class,
)
def __init__(self, items=None, item_class=None):
import abjad
prototype = (
abjad.PitchClassSegment,
abjad.PitchClassSet,
abjad.PitchSegment,
abjad.PitchSet,
)
if isinstance(items, prototype):
items = list(items)
enumerator = abjad.mathtools.Enumerator(items)
pairs = enumerator.yield_pairs()
items = [second - first for first, second in pairs]
Set.__init__(
self,
items=items,
item_class=item_class,
)