Why does 'getProcessor()' exist?

matkatmusic · January 1, 2018, 1:08pm

WeAreROLI/JUCE/blob/develop/modules/juce_dsp/processors/juce_ProcessorChain.h#L54


{

    template <typename ProcessorType>

    static auto& get (ProcessorType& a) noexcept    { return a.getProcessor(); }

};



template <typename Processor, typename Subclass>

struct ChainBase

{

    Processor processor;



    Processor& getProcessor() noexcept       { return processor; }

    Subclass& getThis() noexcept             { return *static_cast<Subclass*> (this); }



    template <int arg> auto& get() noexcept  { return GetterHelper<arg>::get (getThis()); }

};



template <typename FirstProcessor, typename... SubsequentProcessors>

struct Chain  : public ChainBase<FirstProcessor, Chain<FirstProcessor, SubsequentProcessors...>>

{

    using Base = ChainBase<FirstProcessor, Chain<FirstProcessor, SubsequentProcessors...>>;

it’s inside a struct, so processor is public. it seems unnecessary.
Also, how does that GetterHelper template return the proper processor in a chain? I can’t for the life of me figure out how the templating is working.

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Why does 'getProcessor()' exist?

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Why does 'getProcessor()' exist?

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