suffix¶
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inline element_index_type libsemigroups::FroidurePinBase::suffix(element_index_type pos) const¶
Returns the position of the suffix of the element
x
in positionpos
(of the semigroup) of length one less than the length ofx
.The parameter
pos
must be a valid position of an already enumerated element of the semigroup, or a LibsemigroupsException will be thrown.