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None of these are strictly needed for correctness. A large number of them (maybe all of them?) trigger `-Wdeprecated` warnings on Clang trunk as soon as you try to use the implicitly defaulted (but deprecated) copy constructor of a class that has deleted its copy assignment operator. By declaring a deleted copy assignment operator, the old code also caused the move constructor and move assignment operator to be non-declared. This means that the old code never got move semantics -- "move-construction" would simply call the defaulted (but deprecated) copy constructor instead. With the new code, "move-construction" calls the defaulted move constructor, which I believe is what we want to happen. So this is a runtime performance optimization. Unfortunately we can't yet physically remove the definitions of these macros from gtest-port.h, because they are being used by other code internally at Google (according to zhangxy988). But no new uses should be added going forward. |
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| .. | ||
| internal | ||
| gtest_pred_impl.h | ||
| gtest_prod.h | ||
| gtest-death-test.h | ||
| gtest-matchers.h | ||
| gtest-message.h | ||
| gtest-param-test.h | ||
| gtest-printers.h | ||
| gtest-spi.h | ||
| gtest-test-part.h | ||
| gtest-typed-test.h | ||
| gtest.h | ||