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juce::ScopeGuard< Fn > Struct Template Reference

`#include <juce_ScopeGuard.h>`

## Detailed Description

template<typename Fn>
struct juce::ScopeGuard< Fn >

An easy way to ensure that a function is called at the end of the current scope.

Usage:

{
if (flag == true)
return;
// While this code executes, flag is true e.g. to prevent reentrancy
flag = true;
// When we exit this scope, flag must be false
const ScopeGuard scope { [&] { flag = false; } };
if (checkInitialCondition())
return; // Scope's lambda will fire here...
if (checkCriticalCondition())
throw std::runtime_error{}; // ...or here...
doWorkHavingEstablishedPreconditions();
} // ...or here!
juce::ScopeGuard
Definition juce_ScopeGuard.h:52

Definition at line 52 of file juce_ScopeGuard.h.

## Constructor & Destructor Documentation

## ◆ ~ScopeGuard()

template<typename Fn >

juce::ScopeGuard< Fn >::~ScopeGuard | ( |  | ) |
| inline

Definition at line 52 of file juce_ScopeGuard.h.

The documentation for this struct was generated from the following file:

- juce_ScopeGuard.h