[cfe-dev] Implicit conversion of enum to int within an initializer list

Ryuta Suzuki ryuuta at gmail.com
Tue Jul 26 14:23:58 PDT 2011


I'm curious if the enum values can be put in initializer list of

#include <vector>

int main()
  enum Type
    None = 0x0,
    A    = 0x1,
    B    = 0x2,
    C    = 0x4

  typedef std::vector<int> TypeVector;
  TypeVector types = { Type::A, Type::B, Type::C };

  return 0;

g++ can compile it but clang++ can't:

$ g++ -Wall -Wextra -std=c++0x  ./classes_vector.cpp

$ clang++ -Wall -Wextra -std=c++0x -stdlib=libc++ ./classes_vector.cpp
./classes_vector.cpp:14:14: error: non-aggregate type 'TypeVector' (aka
'vector<int>') cannot be initialized with an initializer list
  TypeVector types = { Type::A, Type::B, Type::C };
             ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

Could this be clang bug?


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