ParallelScanFunc#
[req.parallel_scan_func]
A type Scan satisfies ParallelScanFunc if it meets the following requirements:
ParallelScanFunc Requirements: Pseudo-Signature, Semantics
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Value Scan::operator()(const Range &r, const Value &sum, bool is_final) const#
Starting with
sum, computes the summary and, foris_final == true, the scan result for ranger. Returns the computed summary.Valuetype must be the same as a corresponding template parameter for theparallel_scanalgorithm.
See also: