Yield left-to-right namesakes of component starting from component.
abjad> container = Container(Staff(construct.run(2)) * 2)
abjad> container.parallel = True
abjad> container[0].name = 'staff 1'
abjad> container[1].name = 'staff 2'
abjad> score = Score([ ])
abjad> score.parallel = False
abjad> score.extend(container * 2)
abjad> pitchtools.diatonicize(score)
abjad> print score.format
\new Score {
<<
\context Staff = "staff 1" {
c'8
d'8
}
\context Staff = "staff 2" {
e'8
f'8
}
>>
<<
\context Staff = "staff 1" {
g'8
a'8
}
\context Staff = "staff 2" {
b'8
c''8
}
>>
}
abjad> for staff in iterate.namesakes_from(score[0][0]):
... print staff.format
...
\context Staff = "staff 1" {
c'8
d'8
}
\context Staff = "staff 1" {
g'8
a'8
}
When backwards = True yield right-to-left.
abjad> for staff in iterate.namesakes_from(score[-1][0], backwards = True):
... print staff.format
...
\context Staff = "staff 1" {
g'8
a'8
}
\context Staff = "staff 1" {
c'8
d'8
}