ParameterSetBlob.h

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#ifndef canvas_Persistency_Provenance_ParameterSetBlob_h
#define canvas_Persistency_Provenance_ParameterSetBlob_h

/*----------------------------------------------------------------------

ParameterSetBlob: A string in which to store a parameter set so that it can be
made persistent.

The ParameterSetBlob is a concatenation of the names and values of the
tracked parameters within a ParameterSet,

----------------------------------------------------------------------*/

#include <iosfwd>
#include <string>

// ----------------------------------------------------------------------

namespace art {

  struct ParameterSetBlob {
    typedef std::string value_t;

    ParameterSetBlob() : pset_() {}
    explicit ParameterSetBlob(value_t const& v) : pset_(v) {}

    value_t pset_;
  };

  std::ostream& operator<<(std::ostream& os, ParameterSetBlob const& blob);

} // art

  // ======================================================================

#endif /* canvas_Persistency_Provenance_ParameterSetBlob_h */

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