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## guard-closure.md

      
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                emaloney
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                A simplified notation for avoiding the weak/strong dance with closure capture lists
              
          
    Simplified notation for avoiding the [weak self]/strongSelf dance with closures


Proposal: TBD
Author: Evan Maloney
Status: Draft
Review manager: TBD

Introduction

Frequently, closures are used as completion callbacks for asynchronous operations, such as when dealing with network requests. It is quite common to model these sorts of operations in such a way that an object instance represents a request/response transaction, for example: