Remove unused file

fix #80

include/boost/json/detail/static_stack.hpp

@@ -1,162 +0,0 @@
-//
-// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-// Official repository: https://github.com/vinniefalco/json
-//
-
-#ifndef BOOST_JSON_DETAIL_STATIC_STACK_HPP
-#define BOOST_JSON_DETAIL_STATIC_STACK_HPP
-
-#include <boost/json/detail/config.hpp>
-#include <boost/json/storage_ptr.hpp>
-#include <cstring>
-#include <new>
-#include <utility>
-
-namespace boost {
-namespace json {
-namespace detail {
-
-// NOTE T must be trivial
-template<class T, std::size_t N>
-class static_stack
-{
-    T* top_ = t_;
-    T* begin_ = t_;
-    T* end_ = t_ + N;
-    storage_ptr sp_;
-    union
-    {
-        T t_[N];
-        int unused;
-    };
-
-public:
-    using value_type = T;
-
-    ~static_stack()
-    {
-        if(begin_ != t_)
-            sp_->deallocate(begin_,
-                capacity() * sizeof(T),
-                alignof(T));
-    }
-
-    explicit
-    static_stack(
-        storage_ptr sp = {}) noexcept
-        : sp_(std::move(sp))
-    {
-    }
-
-    std::size_t
-    size() const noexcept
-    {
-        return top_ - begin_;
-    }
-
-    T&
-    operator*() noexcept
-    {
-        return *(top_ - 1);
-    }
-
-    T const&
-    operator*() const noexcept
-    {
-        return *(top_ - 1);
-    }
-
-    T*
-    operator->() noexcept
-    {
-        return top_ - 1;
-    }
-
-    T const*
-    operator->() const noexcept
-    {
-        return top_ - 1;
-    }
-
-    bool
-    empty() const noexcept
-    {
-        return top_ == begin_;
-    }
-
-    void
-    clear() noexcept
-    {
-        top_ = begin_;
-    }
-
-    void
-    push(T const& t)
-    {
-        if(top_ == end_)
-            grow();
-        *top_ = t;
-        ++top_;
-    }
-
-    template<class... Args>
-    void
-    emplace(Args&&... args)
-    {
-        if(top_ == end_)
-            grow();
-        ::new(top_) T(
-            std::forward<Args>(args)...);
-        ++top_;
-    }
-
-    void
-    pop() noexcept
-    {
-        --top_;
-    }
-
-private:
-    std::size_t
-    capacity() const noexcept
-    {
-        return end_ - begin_;
-    }
-
-    void
-    grow()
-    {
-        auto const n = 2 * capacity();
-        auto const begin =
-            reinterpret_cast<T*>(
-                sp_->allocate(
-                    n * sizeof(T),
-                    alignof(T)));
-        if(! empty())
-        {
-            std::memcpy(begin, begin_,
-                size() * sizeof(T));
-            top_ = begin + (top_ - begin_);
-            if(begin_ != t_)
-                sp_->deallocate(begin_,
-                    capacity() * sizeof(T),
-                    alignof(T));
-        }
-        else
-        {
-            top_ = begin;
-        }
-        begin_ = begin;
-        end_ = begin_ + n;
-    }
-};
-
-} // detail
-} // json
-} // boost
-
-#endif

include/boost/json/serializer.hpp

@@ -14,7 +14,6 @@
 #include <boost/json/value.hpp>
 #include <boost/json/detail/format.hpp>
 #include <boost/json/detail/stack.hpp>
-#include <boost/json/detail/static_stack.hpp>
 #include <boost/json/detail/stream.hpp>
 #include <iosfwd>