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fix unnecessary block

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Thibault Kruse 2016-08-26 05:11:54 +02:00
parent 6a39a88bf8
commit 2db47928df
1 changed files with 11 additions and 15 deletions
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CppCoreGuidelines.md
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@ -3436,25 +3436,21 @@ Pointers and references to locals shouldn't outlive their scope. Lambdas that ca
##### Example, bad
{
int local = 42;
int local = 42;
// Want a reference to local.
// Note, that after program exits this scope,
// local no longer exists, therefore
// process() call will have undefined behavior!
thread_pool.queue_work([&]{ process(local); });
}
// Want a reference to local.
// Note, that after program exits this scope,
// local no longer exists, therefore
// process() call will have undefined behavior!
thread_pool.queue_work([&]{ process(local); });
##### Example, good
{
int local = 42;
// Want a copy of local.
// Since a copy of local is made, it will be
// available at all times for the call.
thread_pool.queue_work([=]{ process(local); });
}
int local = 42;
// Want a copy of local.
// Since a copy of local is made, it will be
// available at all times for the call.
thread_pool.queue_work([=]{ process(local); });
##### Enforcement