Comment on Bjarne and I are speaking in Chicago on Tuesday night by Philipp Lenk
@Yuriy Grishin:
When using g++ you need to pass the -std=c++11 flag to compile c++11 code:
g++ test1.cpp -std=c++11
@Vipul S. Chawathe:
I presume the reason he calls it a ticking time bomb is the one stated in the files comment. The function he passes to f1(f) actually returns an int(although f1 expects it to return const int&), yet the compiler does not even emit a warning(at least mine doesnt, g++ 4.8.1, even with -Wall -pedantic -Wextra, I have not tried clang ;_;). Instead it silently coerces and treats it as if it returned a const reference. Now, if i understand correctly, the very moment the wrapper is called, the returned value is treated as a reference, which is quite undefined behaviour and could lead to serious trouble.
Read More » Comment on Trip Report: Fall ISO C++ standards meeting by Jesse Good
I was looking forward to std::dynarray a little, but I can see how there is an overlap with runtime sized arrays. However, ould you elaborate on “optional has moved to the Library Fundamental TS.”, what were the issues there?
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