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#ifndef OT_LAYOUT_GSUB_REVERSECHAINSINGLESUBST_HH
#define OT_LAYOUT_GSUB_REVERSECHAINSINGLESUBST_HH
#include "Common.hh"
#include "ReverseChainSingleSubstFormat1.hh"
namespace OT {
namespace Layout {
namespace GSUB_impl {
struct ReverseChainSingleSubst
{
protected:
union {
HBUINT16 format; /* Format identifier */
ReverseChainSingleSubstFormat1 format1;
} u;
public:
template <typename context_t, typename ...Ts>
typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
{
if (unlikely (!c->may_dispatch (this, &u.format))) return c->no_dispatch_return_value ();
TRACE_DISPATCH (this, u.format);
switch (u.format) {
case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
default:return_trace (c->default_return_value ());
}
}
};
}
}
}
#endif /* HB_OT_LAYOUT_GSUB_REVERSECHAINSINGLESUBST_HH */
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