durtools.sum_preprolated

abjad.tools.durtools.sum_preprolated(components)

Sum of component.duration.preprolated for each component in components.

Example:

abjad> t = FixedDurationTuplet((2, 8), construct.scale(3))
abjad> print t.format

\times 2/3 {
   c'8
   d'8
   e'8
}

abjad> durtools.sum_preprolated(t[:])
Rational(3, 8)

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