[libcxx-commits] [PATCH] D115730: [libc++] Add a helper class to write code with the strong exception guarantee

[Louis Dionne via Phabricator via libcxx-commits]

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__transaction is a helper class that allows rolling back code in case an
exception is thrown. The main goal is to reduce the clutter when code
needs to be guarded with `#if _LIBCPP_NO_EXCEPTIONS`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115730

Files:
  libcxx/include/CMakeLists.txt
  libcxx/include/__detail/transaction.h
  libcxx/include/module.modulemap
  libcxx/test/libcxx/detail/transaction.pass.cpp
  libcxx/test/libcxx/diagnostics/detail.headers/detail/transaction.module.verify.cpp

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