New in version 2.0.
True when expr is component with tie spanner attached:
abjad> staff = Staff(notetools.make_repeated_notes(4))
abjad> tietools.TieSpanner(staff[:])
TieSpanner(c'8, c'8, c'8, c'8)
abjad> f(staff)
\new Staff {
c'8 ~
c'8 ~
c'8 ~
c'8
}
abjad> tietools.is_component_with_tie_spanner_attached(staff)
False
Otherwise false:
abjad> staff = Staff(notetools.make_repeated_notes(4))
abjad> tietools.TieSpanner(staff[:])
TieSpanner(c'8, c'8, c'8, c'8)
abjad> f(staff)
\new Staff {
c'8 ~
c'8 ~
c'8 ~
c'8
}
abjad> tietools.is_component_with_tie_spanner_attached(staff[1])
True
Return boolean.