From b46c102eb0ec3ca2ff0b422831cb98fa2bdebcba Mon Sep 17 00:00:00 2001
From: Mike Morris <michael.patrick.morris@gmail.com>
Date: Wed, 30 Sep 2015 16:14:32 -0400
Subject: mason variant@1.0

---
 include/mbgl/util/variant.hpp | 793 ------------------------------------------
 1 file changed, 793 deletions(-)
 delete mode 100644 include/mbgl/util/variant.hpp

(limited to 'include/mbgl/util/variant.hpp')

diff --git a/include/mbgl/util/variant.hpp b/include/mbgl/util/variant.hpp
deleted file mode 100644
index a3cdea63a7..0000000000
--- a/include/mbgl/util/variant.hpp
+++ /dev/null
@@ -1,793 +0,0 @@
-#ifndef MAPBOX_UTIL_VARIANT_HPP
-#define MAPBOX_UTIL_VARIANT_HPP
-
-#include <utility>
-#include <typeinfo>
-#include <type_traits>
-#include <stdexcept> // runtime_error
-#include <new> // operator new
-#include <cstddef> // size_t
-#include <iosfwd>
-#include <string>
-
-#include "recursive_wrapper.hpp"
-
-#ifdef _MSC_VER
- // http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx
- #ifdef NDEBUG
-  #define VARIANT_INLINE __forceinline
- #else
-  #define VARIANT_INLINE __declspec(noinline)
- #endif
-#else
- #ifdef NDEBUG
-  #define VARIANT_INLINE inline __attribute__((always_inline))
- #else
-  #define VARIANT_INLINE __attribute__((noinline))
- #endif
-#endif
-
-#define VARIANT_MAJOR_VERSION 0
-#define VARIANT_MINOR_VERSION 1
-#define VARIANT_PATCH_VERSION 0
-
-// translates to 100
-#define VARIANT_VERSION (VARIANT_MAJOR_VERSION*100000) + (VARIANT_MINOR_VERSION*100) + (VARIANT_PATCH_VERSION)
-
-namespace mapbox { namespace util {
-
-// static visitor
-template <typename R = void>
-struct static_visitor
-{
-    using result_type = R;
-protected:
-    static_visitor() {}
-    ~static_visitor() {}
-};
-
-namespace detail {
-
-static constexpr std::size_t invalid_value = std::size_t(-1);
-
-template <typename T, typename...Types>
-struct direct_type;
-
-template <typename T, typename First, typename...Types>
-struct direct_type<T, First, Types...>
-{
-    static constexpr std::size_t index = std::is_same<T, First>::value
-        ? sizeof...(Types) : direct_type<T, Types...>::index;
-};
-
-template <typename T>
-struct direct_type<T>
-{
-    static constexpr std::size_t index = invalid_value;
-};
-
-template <typename T, typename...Types>
-struct convertible_type;
-
-template <typename T, typename First, typename...Types>
-struct convertible_type<T, First, Types...>
-{
-    static constexpr std::size_t index = std::is_convertible<T, First>::value
-        ? sizeof...(Types) : convertible_type<T, Types...>::index;
-};
-
-template <typename T>
-struct convertible_type<T>
-{
-    static constexpr std::size_t index = invalid_value;
-};
-
-template <typename T, typename...Types>
-struct value_traits
-{
-    static constexpr std::size_t direct_index = direct_type<T, Types...>::index;
-    static constexpr std::size_t index =
-        (direct_index == invalid_value) ? convertible_type<T, Types...>::index : direct_index;
-};
-
-template <typename T, typename...Types>
-struct is_valid_type;
-
-template <typename T, typename First, typename... Types>
-struct is_valid_type<T, First, Types...>
-{
-    static constexpr bool value = std::is_convertible<T, First>::value
-        || is_valid_type<T, Types...>::value;
-};
-
-template <typename T>
-struct is_valid_type<T> : std::false_type {};
-
-template <std::size_t N, typename ... Types>
-struct select_type
-{
-    static_assert(N < sizeof...(Types), "index out of bounds");
-};
-
-template <std::size_t N, typename T, typename ... Types>
-struct select_type<N, T, Types...>
-{
-    using type = typename select_type<N - 1, Types...>::type;
-};
-
-template <typename T, typename ... Types>
-struct select_type<0, T, Types...>
-{
-    using type = T;
-};
-
-
-template <typename T, typename R = void>
-struct enable_if_type { using type = R; };
-
-template <typename F, typename V, typename Enable = void>
-struct result_of_unary_visit
-{
-    using type = typename std::result_of<F(V&)>::type;
-};
-
-template <typename F, typename V>
-struct result_of_unary_visit<F, V, typename enable_if_type<typename F::result_type>::type >
-{
-    using type = typename F::result_type;
-};
-
-template <typename F, typename V, class Enable = void>
-struct result_of_binary_visit
-{
-    using type = typename std::result_of<F(V&,V&)>::type;
-};
-
-
-template <typename F, typename V>
-struct result_of_binary_visit<F, V, typename enable_if_type<typename F::result_type>::type >
-{
-    using type = typename F::result_type;
-};
-
-
-} // namespace detail
-
-
-template <std::size_t arg1, std::size_t ... others>
-struct static_max;
-
-template <std::size_t arg>
-struct static_max<arg>
-{
-    static const std::size_t value = arg;
-};
-
-template <std::size_t arg1, std::size_t arg2, std::size_t ... others>
-struct static_max<arg1, arg2, others...>
-{
-    static const std::size_t value = arg1 >= arg2 ? static_max<arg1, others...>::value :
-        static_max<arg2, others...>::value;
-};
-
-template<typename... Types>
-struct variant_helper;
-
-template<typename T, typename... Types>
-struct variant_helper<T, Types...>
-{
-    VARIANT_INLINE static void destroy(const std::size_t id, void * data)
-    {
-        if (id == sizeof...(Types))
-        {
-            reinterpret_cast<T*>(data)->~T();
-        }
-        else
-        {
-            variant_helper<Types...>::destroy(id, data);
-        }
-    }
-
-    VARIANT_INLINE static void move(const std::size_t old_id, void * old_value, void * new_value)
-    {
-        if (old_id == sizeof...(Types))
-        {
-            new (new_value) T(std::move(*reinterpret_cast<T*>(old_value)));
-            //std::memcpy(new_value, old_value, sizeof(T));
-            // ^^  DANGER: this should only be considered for relocatable types e.g built-in types
-            // Also, I don't see any measurable performance benefit just yet
-        }
-        else
-        {
-            variant_helper<Types...>::move(old_id, old_value, new_value);
-        }
-    }
-
-    VARIANT_INLINE static void copy(const std::size_t old_id, const void * old_value, void * new_value)
-    {
-        if (old_id == sizeof...(Types))
-        {
-            new (new_value) T(*reinterpret_cast<const T*>(old_value));
-        }
-        else
-        {
-            variant_helper<Types...>::copy(old_id, old_value, new_value);
-        }
-    }
-};
-
-template<> struct variant_helper<>
-{
-    VARIANT_INLINE static void destroy(const std::size_t, void *) {}
-    VARIANT_INLINE static void move(const std::size_t, void *, void *) {}
-    VARIANT_INLINE static void copy(const std::size_t, const void *, void *) {}
-};
-
-namespace detail {
-
-template <typename T>
-struct unwrapper
-{
-    T const& operator() (T const& obj) const
-    {
-        return obj;
-    }
-
-    T& operator() (T & obj) const
-    {
-        return obj;
-    }
-};
-
-
-template <typename T>
-struct unwrapper<recursive_wrapper<T>>
-{
-    auto operator() (recursive_wrapper<T> const& obj) const
-        -> typename recursive_wrapper<T>::type const&
-    {
-        return obj.get();
-    }
-};
-
-
-template <typename F, typename V, typename R, typename...Types>
-struct dispatcher;
-
-template <typename F, typename V, typename R, typename T, typename...Types>
-struct dispatcher<F, V, R, T, Types...>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const& v, F f)
-    {
-        if (v.get_type_index() == sizeof...(Types))
-        {
-            return f(unwrapper<T>()(v. template get<T>()));
-        }
-        else
-        {
-            return dispatcher<F, V, R, Types...>::apply_const(v, f);
-        }
-    }
-
-    VARIANT_INLINE static result_type apply(V & v, F f)
-    {
-        if (v.get_type_index() == sizeof...(Types))
-        {
-            return f(unwrapper<T>()(v. template get<T>()));
-        }
-        else
-        {
-            return dispatcher<F, V, R, Types...>::apply(v, f);
-        }
-    }
-};
-
-template<typename F, typename V, typename R>
-struct dispatcher<F, V, R>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const&, F)
-    {
-        throw std::runtime_error(std::string("unary dispatch: FAIL ") + typeid(V).name());
-    }
-
-    VARIANT_INLINE static result_type apply(V &, F)
-    {
-        throw std::runtime_error(std::string("unary dispatch: FAIL ") + typeid(V).name());
-    }
-};
-
-
-template <typename F, typename V, typename R, typename T, typename...Types>
-struct binary_dispatcher_rhs;
-
-template <typename F, typename V, typename R, typename T0, typename T1, typename...Types>
-struct binary_dispatcher_rhs<F, V, R, T0, T1, Types...>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const& lhs, V const& rhs, F f)
-    {
-        if (rhs.get_type_index() == sizeof...(Types)) // call binary functor
-        {
-            return f(unwrapper<T0>()(lhs. template get<T0>()),
-                     unwrapper<T1>()(rhs. template get<T1>()));
-        }
-        else
-        {
-            return binary_dispatcher_rhs<F, V, R, T0, Types...>::apply_const(lhs, rhs, f);
-        }
-    }
-
-    VARIANT_INLINE static result_type apply(V & lhs, V & rhs, F f)
-    {
-        if (rhs.get_type_index() == sizeof...(Types)) // call binary functor
-        {
-            return f(unwrapper<T0>()(lhs. template get<T0>()),
-                     unwrapper<T1>()(rhs. template get<T1>()));
-        }
-        else
-        {
-            return binary_dispatcher_rhs<F, V, R, T0, Types...>::apply(lhs, rhs, f);
-        }
-    }
-
-};
-
-template<typename F, typename V, typename R, typename T>
-struct binary_dispatcher_rhs<F, V, R, T>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const&, V const&, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-    VARIANT_INLINE static result_type apply(V &, V &, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-};
-
-
-template <typename F, typename V, typename R,  typename T, typename...Types>
-struct binary_dispatcher_lhs;
-
-template <typename F, typename V, typename R, typename T0, typename T1, typename...Types>
-struct binary_dispatcher_lhs<F, V, R, T0, T1, Types...>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const& lhs, V const& rhs, F f)
-    {
-        if (lhs.get_type_index() == sizeof...(Types)) // call binary functor
-        {
-            return f(lhs. template get<T1>(), rhs. template get<T0>());
-        }
-        else
-        {
-            return binary_dispatcher_lhs<F, V, R, T0, Types...>::apply_const(lhs, rhs, f);
-        }
-    }
-
-    VARIANT_INLINE static result_type apply(V & lhs, V & rhs, F f)
-    {
-        if (lhs.get_type_index() == sizeof...(Types)) // call binary functor
-        {
-            return f(lhs. template get<T1>(), rhs. template get<T0>());
-        }
-        else
-        {
-            return binary_dispatcher_lhs<F, V, R, T0, Types...>::apply(lhs, rhs, f);
-        }
-    }
-
-};
-
-template<typename F, typename V, typename R, typename T>
-struct binary_dispatcher_lhs<F, V, R, T>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const&, V const&, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-
-    VARIANT_INLINE static result_type apply(V &, V &, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-};
-
-template <typename F, typename V, typename R, typename...Types>
-struct binary_dispatcher;
-
-template <typename F, typename V, typename R, typename T, typename...Types>
-struct binary_dispatcher<F, V, R, T, Types...>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const& v0, V const& v1, F f)
-    {
-        if (v0.get_type_index() == sizeof...(Types))
-        {
-            if (v0.get_type_index() == v1.get_type_index())
-            {
-                return f(v0. template get<T>(), v1. template get<T>()); // call binary functor
-            }
-            else
-            {
-                return binary_dispatcher_rhs<F, V, R, T, Types...>::apply_const(v0, v1, f);
-            }
-        }
-        else if (v1.get_type_index() == sizeof...(Types))
-        {
-            return binary_dispatcher_lhs<F, V, R, T, Types...>::apply_const(v0, v1, f);
-        }
-        return binary_dispatcher<F, V, R, Types...>::apply_const(v0, v1, f);
-    }
-
-    VARIANT_INLINE static result_type apply(V & v0, V & v1, F f)
-    {
-        if (v0.get_type_index() == sizeof...(Types))
-        {
-            if (v0.get_type_index() == v1.get_type_index())
-            {
-                return f(v0. template get<T>(), v1. template get<T>()); // call binary functor
-            }
-            else
-            {
-                return binary_dispatcher_rhs<F, V, R, T, Types...>::apply(v0, v1, f);
-            }
-        }
-        else if (v1.get_type_index() == sizeof...(Types))
-        {
-            return binary_dispatcher_lhs<F, V, R, T, Types...>::apply(v0, v1, f);
-        }
-        return binary_dispatcher<F, V, R, Types...>::apply(v0, v1, f);
-    }
-};
-
-template<typename F, typename V, typename R>
-struct binary_dispatcher<F, V, R>
-{
-    using result_type = R;
-    VARIANT_INLINE static result_type apply_const(V const&, V const&, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-
-    VARIANT_INLINE static result_type apply(V &, V &, F)
-    {
-        throw std::runtime_error("binary dispatch: FAIL");
-    }
-};
-
-// comparator functors
-struct equal_comp
-{
-    template <typename T>
-    bool operator()(T const& lhs, T const& rhs) const
-    {
-        return lhs == rhs;
-    }
-};
-
-struct less_comp
-{
-    template <typename T>
-    bool operator()(T const& lhs, T const& rhs) const
-    {
-        return lhs < rhs;
-    }
-};
-
-template <typename Variant, typename Comp>
-class comparer
-{
-public:
-    explicit comparer(Variant const& lhs) noexcept
-        : lhs_(lhs) {}
-    comparer& operator=(comparer const&) = delete;
-    // visitor
-    template<typename T>
-    bool operator()(T const& rhs_content) const
-    {
-        T const& lhs_content = lhs_.template get<T>();
-        return Comp()(lhs_content, rhs_content);
-    }
-private:
-    Variant const& lhs_;
-};
-
-
-} // namespace detail
-
-struct no_init {};
-
-template<typename... Types>
-class variant
-{
-private:
-
-    static const std::size_t data_size = static_max<sizeof(Types)...>::value;
-    static const std::size_t data_align = static_max<alignof(Types)...>::value;
-
-    using data_type = typename std::aligned_storage<data_size, data_align>::type;
-    using helper_type = variant_helper<Types...>;
-
-    std::size_t type_index;
-    data_type data;
-
-public:
-
-    VARIANT_INLINE variant()
-        : type_index(sizeof...(Types) - 1)
-    {
-        new (&data) typename detail::select_type<0, Types...>::type();
-    }
-
-    VARIANT_INLINE variant(no_init)
-        : type_index(detail::invalid_value) {}
-
-    // http://isocpp.org/blog/2012/11/universal-references-in-c11-scott-meyers
-    template <typename T, class = typename std::enable_if<
-                          detail::is_valid_type<typename std::remove_reference<T>::type, Types...>::value>::type>
-    VARIANT_INLINE variant(T && val) noexcept
-        : type_index(detail::value_traits<typename std::remove_reference<T>::type, Types...>::index)
-    {
-        constexpr std::size_t index = sizeof...(Types) - detail::value_traits<typename std::remove_reference<T>::type, Types...>::index - 1;
-        using target_type = typename detail::select_type<index, Types...>::type;
-        new (&data) target_type(std::forward<T>(val)); // nothrow
-    }
-
-    VARIANT_INLINE variant(variant<Types...> const& old)
-        : type_index(old.type_index)
-    {
-        helper_type::copy(old.type_index, &old.data, &data);
-    }
-
-    VARIANT_INLINE variant(variant<Types...>&& old) noexcept
-        : type_index(old.type_index)
-    {
-        helper_type::move(old.type_index, &old.data, &data);
-    }
-
-    friend void swap(variant<Types...> & first, variant<Types...> & second)
-    {
-        using std::swap; //enable ADL
-        swap(first.type_index, second.type_index);
-        swap(first.data, second.data);
-    }
-
-    VARIANT_INLINE variant<Types...>& operator=(variant<Types...> other)
-    {
-        swap(*this, other);
-        return *this;
-    }
-
-    // conversions
-    // move-assign
-    template <typename T>
-    VARIANT_INLINE variant<Types...>& operator=(T && rhs) noexcept
-    {
-        variant<Types...> temp(std::forward<T>(rhs));
-        swap(*this, temp);
-        return *this;
-    }
-
-    // copy-assign
-    template <typename T>
-    VARIANT_INLINE variant<Types...>& operator=(T const& rhs)
-    {
-        variant<Types...> temp(rhs);
-        swap(*this, temp);
-        return *this;
-    }
-
-    template<typename T>
-    VARIANT_INLINE bool is() const
-    {
-        return (type_index == detail::direct_type<T, Types...>::index);
-    }
-
-    VARIANT_INLINE bool valid() const
-    {
-        return (type_index != detail::invalid_value);
-    }
-
-    template<typename T, typename... Args>
-    VARIANT_INLINE void set(Args&&... args)
-    {
-        helper_type::destroy(type_index, &data);
-        new (&data) T(std::forward<Args>(args)...);
-        type_index = detail::direct_type<T, Types...>::index;
-    }
-
-    // get<T>()
-    template<typename T, typename std::enable_if<(detail::direct_type<T, Types...>::index != detail::invalid_value)>::type* = nullptr>
-    VARIANT_INLINE T& get()
-    {
-        if (type_index == detail::direct_type<T, Types...>::index)
-        {
-            return *reinterpret_cast<T*>(&data);
-        }
-        else
-        {
-            throw std::runtime_error("in get<T>()");
-        }
-    }
-
-    template <typename T, typename std::enable_if<
-                          (detail::direct_type<T, Types...>::index != detail::invalid_value)
-                          >::type* = nullptr>
-    VARIANT_INLINE T const& get() const
-    {
-        if (type_index == detail::direct_type<T, Types...>::index)
-        {
-            return *reinterpret_cast<T const*>(&data);
-        }
-        else
-        {
-            throw std::runtime_error("in get<T>()");
-        }
-    }
-
-    // get<T>() - T stored as recursive_wrapper<T>
-    template <typename T, typename std::enable_if<
-                          (detail::direct_type<recursive_wrapper<T>, Types...>::index != detail::invalid_value)
-                          >::type* = nullptr>
-    VARIANT_INLINE T& get()
-    {
-        if (type_index == detail::direct_type<recursive_wrapper<T>, Types...>::index)
-        {
-            return (*reinterpret_cast<recursive_wrapper<T>*>(&data)).get();
-        }
-        else
-        {
-            throw std::runtime_error("in get<T>()");
-        }
-    }
-
-    template <typename T,typename std::enable_if<
-                         (detail::direct_type<recursive_wrapper<T>, Types...>::index != detail::invalid_value)
-                         >::type* = nullptr>
-    VARIANT_INLINE T const& get() const
-    {
-        if (type_index == detail::direct_type<recursive_wrapper<T>, Types...>::index)
-        {
-            return (*reinterpret_cast<recursive_wrapper<T> const*>(&data)).get();
-        }
-        else
-        {
-            throw std::runtime_error("in get<T>()");
-        }
-    }
-    VARIANT_INLINE std::size_t get_type_index() const
-    {
-        return type_index;
-    }
-
-    VARIANT_INLINE int which() const noexcept
-    {
-        return static_cast<int>(sizeof...(Types) - type_index - 1);
-    }
-
-    // visitor
-    // unary
-    template <typename F, typename V>
-    auto VARIANT_INLINE
-    static visit(V const& v, F f)
-        -> decltype(detail::dispatcher<F, V,
-                    typename detail::result_of_unary_visit<F,
-                    typename detail::select_type<0, Types...>::type>::type, Types...>::apply_const(v, f))
-    {
-        using R = typename detail::result_of_unary_visit<F, typename detail::select_type<0, Types...>::type>::type;
-        return detail::dispatcher<F, V, R, Types...>::apply_const(v, f);
-    }
-    // non-const
-    template <typename F, typename V>
-    auto VARIANT_INLINE
-    static visit(V & v, F f)
-        -> decltype(detail::dispatcher<F, V,
-                    typename detail::result_of_unary_visit<F,
-                    typename detail::select_type<0, Types...>::type>::type, Types...>::apply(v, f))
-    {
-        using R = typename detail::result_of_unary_visit<F, typename detail::select_type<0, Types...>::type>::type;
-        return detail::dispatcher<F, V, R, Types...>::apply(v, f);
-    }
-
-    // binary
-    // const
-    template <typename F, typename V>
-    auto VARIANT_INLINE
-    static binary_visit(V const& v0, V const& v1, F f)
-        -> decltype(detail::binary_dispatcher<F, V,
-                    typename detail::result_of_binary_visit<F,
-                    typename detail::select_type<0, Types...>::type>::type, Types...>::apply_const(v0, v1, f))
-    {
-        using R = typename detail::result_of_binary_visit<F,typename detail::select_type<0, Types...>::type>::type;
-        return detail::binary_dispatcher<F, V, R, Types...>::apply_const(v0, v1, f);
-    }
-    // non-const
-    template <typename F, typename V>
-    auto VARIANT_INLINE
-    static binary_visit(V& v0, V& v1, F f)
-        -> decltype(detail::binary_dispatcher<F, V,
-                    typename detail::result_of_binary_visit<F,
-                    typename detail::select_type<0, Types...>::type>::type, Types...>::apply(v0, v1, f))
-    {
-        using R = typename detail::result_of_binary_visit<F,typename detail::select_type<0, Types...>::type>::type;
-        return detail::binary_dispatcher<F, V, R, Types...>::apply(v0, v1, f);
-    }
-
-    ~variant() noexcept
-    {
-        helper_type::destroy(type_index, &data);
-    }
-
-    // comparison operators
-    // equality
-    VARIANT_INLINE bool operator==(variant const& rhs) const
-    {
-        if (this->get_type_index() != rhs.get_type_index())
-            return false;
-        detail::comparer<variant, detail::equal_comp> visitor(*this);
-        return visit(rhs, visitor);
-    }
-    // less than
-    VARIANT_INLINE bool operator<(variant const& rhs) const
-    {
-        if (this->get_type_index() != rhs.get_type_index())
-        {
-            return this->get_type_index() < rhs.get_type_index();
-            // ^^ borrowed from boost::variant
-        }
-        detail::comparer<variant, detail::less_comp> visitor(*this);
-        return visit(rhs, visitor);
-    }
-};
-
-// unary visitor interface
-
-// const
-template <typename V, typename F>
-auto VARIANT_INLINE static apply_visitor(F f, V const& v) -> decltype(V::visit(v, f))
-{
-    return V::visit(v, f);
-}
-// non-const
-template <typename V, typename F>
-auto VARIANT_INLINE static apply_visitor(F f, V & v) -> decltype(V::visit(v, f))
-{
-    return V::visit(v, f);
-}
-
-// binary visitor interface
-// const
-template <typename V, typename F>
-auto VARIANT_INLINE static apply_visitor(F f, V const& v0, V const& v1) -> decltype(V::binary_visit(v0, v1, f))
-{
-    return V::binary_visit(v0, v1, f);
-}
-// non-const
-template <typename V, typename F>
-auto VARIANT_INLINE static apply_visitor(F f, V & v0, V & v1) -> decltype(V::binary_visit(v0, v1, f))
-{
-    return V::binary_visit(v0, v1, f);
-}
-
-// getter interface
-template<typename ResultType, typename T>
-ResultType & get(T & var)
-{
-    return var.template get<ResultType>();
-}
-
-template<typename ResultType, typename T>
-ResultType const& get(T const& var)
-{
-    return var.template get<ResultType>();
-}
-
-
-}}
-
-#endif  // MAPBOX_UTIL_VARIANT_HPP
-- 
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