New in version 2.0.
Get the only beam spanner attached to component:
abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> beam = spannertools.BeamSpanner(staff.leaves)
abjad> f(staff)
\new Staff {
c'8 [
d'8
e'8
f'8 ]
}
abjad> spannertools.get_beam_spanner_attached_to_component(staff[0])
BeamSpanner(c'8, d'8, e'8, f'8)
abjad> _ is beam
True
Return beam spanner.
Raise missing spanner error when no beam spanner attached to component.
Raise extra spanner error when more than one beam spanner attached to component.
Changed in version 2.0: renamed beamtools.get_beam_spanner() to spannertools.get_beam_spanner_attached_to_component().
Changed in version 2.0: renamed beamtools.get_beam_spanner_attached_to_component() to spannertools.get_beam_spanner_attached_to_component().