last-index ( obj seq -- n )
Factor handbook > The language > Collections > Sequence operations > Searching sequences

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Vocabulary
sequences

Inputs and outputs
objan object
seqa sequence
nan index


Word description
Outputs the index of the last element in the sequence equal to obj; the sequence is traversed back to front. If no element is found, outputs f.

See also
index, index-from, last-index-from, sorted-index

Definition