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Predicate hum_duration_hook/3
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All tags
hum_duration_hook
(+Rep:xinterp, +D:data, -Dur:rational)
is
semidet
[multifile,
data('pack/mirror/5b/af/5baf525db02cf5cc8e6c5569f5e247d95be1578d/prolog/humdrum')
]
This should compute the duration of the data term if it has one or fail otherwise.