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> [![Gitter chat](https://img.shields.io/gitter/room/gitterHQ/gitter.svg)](https://gitter.im/pybind/Lobby)
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< comments, the core header files only require ~2.5K lines of code and depend on
< Python (2.7 or 3.x) and the C++ standard library. This compact implementation
< was possible thanks to some of the new C++11 language features (specifically:
< tuples, lambda functions and variadic templates). Since its creation, this
< library has grown beyond Boost.Python in many ways, leading to dramatically
< simpler binding code in many common situations.
---
> comments, the core header files only require ~4K lines of code and depend on
> Python (2.7 or 3.x, or PyPy2.7 >= 5.7) and the C++ standard library. This
> compact implementation was possible thanks to some of the new C++11 language
> features (specifically: tuples, lambda functions and variadic templates). Since
> its creation, this library has grown beyond Boost.Python in many ways, leading
> to dramatically simpler binding code in many common situations.
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< - pybind11 uses C++11 move constructors and move assignment operators whenever
< possible to efficiently transfer custom data types.
---
> - Python 2.7, 3.x, and PyPy (PyPy2.7 >= 5.7) are supported with an
> implementation-agnostic interface.
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> - pybind11 uses C++11 move constructors and move assignment operators whenever
> possible to efficiently transfer custom data types.
>
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< 1. Clang/LLVM (any non-ancient version with C++11 support)
< 2. GCC (any non-ancient version with C++11 support)
< 3. Microsoft Visual Studio 2015 or newer
---
> 1. Clang/LLVM 3.3 or newer (for Apple Xcode's clang, this is 5.0.0 or newer)
> 2. GCC 4.8 or newer
> 3. Microsoft Visual Studio 2015 Update 3 or newer
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< This project was created by [Wenzel Jakob](https://www.mitsuba-renderer.org/~wenzel/).
---
> This project was created by [Wenzel Jakob](http://rgl.epfl.ch/people/wjakob).
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< Pim Schellart, and
< Ivan Smirnov.
---
> Pim Schellart,
> Ivan Smirnov, and
> Patrick Stewart.