Jason Rhinelander c3d81d235f Use stricter brace initialization ... This updates the `py::init` constructors to only use brace initialization for aggregate initiailization if there is no constructor with the given arguments. This, in particular, fixes the regression in #1247 where the presence of a `std::initializer_list<T>` constructor started being invoked for constructor invocations in 2.2 even when there was a specific constructor of the desired type. The added test case demonstrates: without this change, it fails to compile because the `.def(py::init<std::vector<int>>())` constructor tries to invoke the `T(std::initializer_list<std::vector<int>>)` constructor rather than the `T(std::vector<int>)` constructor. By only using `new T{...}`-style construction when a `T(...)` constructor doesn't exist, we should bypass this by while still allowing `py::init<...>` to be used for aggregate type initialization (since such types, by definition, don't have a user-declared constructor).		2018-02-07 10:54:31 +01:00
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pybind11	Use stricter brace initialization	2018-02-07 10:54:31 +01:00