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## api
Struct Nes::Core::Video::Output::Locker

    UserCallback
       |
       +--Nes::Core::Video::Output::Locker

struct Nes::Core::Video::Output::Locker
extends UserCallback

Surface lock callback invoker. Used internally by the core.

Method Summary
`bool` | `operator()( Output& output ) const`

Method Detail

### operator()

    public bool operator()( Output& output ) const;

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