◆ behind()

template<typename Handle >

const VisionStep * MayaFlux::Kinesis::Vision::VisionPass< Handle >::behind ( size_t offset = 1 ) const

inlinenoexcept

Op at offset steps back, or nullptr before the start.

Counterpart to ahead(), for ops validating what produced their input.

Definition at line 205 of file VisionContext.hpp.

    {
        if (offset > index)
            return nullptr;
        return &sequence->steps[index - offset];
    }