Find spanner component starting at exactly score_offset:
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.find_spanner_component_starting_at_exactly_score_offset(beam, Duration(3, 8))
Note("f'8")
When no spanner component starts at exactly score_offset return none.
Return spanner component or none.
Changed in version 2.0: renamed spannertools.find_component_at_score_offset() to spannertools.find_spanner_component_starting_at_exactly_score_offset().