Error of react native: “react native unexpected keyword 'const' issue”
Hello dears,
has anyone known how to solve this issue? node version: 7.9.0 npm: 5.3.0 "react": "16.2.0", "react-native": "0.52.0" https://i.stack.imgur.com/kjrDj.jpg
Meaning of `{}` for return expression
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I found by accident that the following compiles: #include <string> #include <iostream> class A{ int i{}; std::string s{}; public: A(int _i, const std::string& _s) : i(_i), s(_s) { puts("Called A(int, const std::string)"); } }; A foo(int k, const char* cstr){ return {k, cstr}; // (*) } int main(){ auto a = foo(10, "Hi!"); return 0; } The line of interest is (*). I guess the function foo is equivalent to: A foo(int k, const char* str){ return A(k, cstr); } However, is there a special name for this mechanism in (*)? Or is it just the simple fact that the compiler knows which constructor to call due to the return type?
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