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#ifndef __RCPP_PARALLEL_COMMON__
#define __RCPP_PARALLEL_COMMON__
#include <cstddef>
namespace RcppParallel {
// Work executed within a background thread. We implement dynamic
// dispatch using vtables so we can have a stable type to cast
// to from the void* passed to the worker thread (required because
// the tinythreads interface allows to pass only a void* to the
// thread main rather than a generic type / template)
struct Worker
{
// construct and destruct (delete virtually)
Worker() {}
virtual ~Worker() {}
// dispatch work over a range of values
virtual void operator()(std::size_t begin, std::size_t end) = 0;
// disable copying and assignment
private:
Worker(const Worker&);
void operator=(const Worker&);
};
// Tag type used for disambiguating splitting constructors
struct Split {};
} // namespace RcppParallel
#endif // __RCPP_PARALLEL_COMMON__
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