ヘッダでusing-directiveを使う

• using-declaration、typedef、Metafunction等で名前を持ってくる
• VC8では恐るべきバグがあるようだ

[]#include[] []<boost/config.hpp>[]

[]#include[] []<boost/detail/workaround.hpp>[]

[]#include[] []<vector>[]
[]namespace[] []pstade[][] {[]
[]namespace[] []detail[][] {[]

  

  []using[] []namespace[] []std[][];[]

  

  []struct[] []abc[]

[]  {[]

    []vector[][]<[][]int[][]> [][]vec[][];[]

[]  };[]

    

  []template[][]< [][]class[] []T[][] >[]

  []struct[] []xyz[]

[]  {[]

    []vector[][]<[][]T[][]> [][]vec[][];[]

[]  };[]

    

[]} [][]// namespace detail[]


[]// test[]

[]// #define BOOST_NO_USING_TEMPLATE[]

[]// #define PSTADE_NO_USING[]
[]// pull names to the pstade namespace...[]
[]#if[][] !defined(PSTADE_NO_USING)[]

  []using[] []detail[][]::[][]abc[][];[]

[]#else[]

  []typedef[] []detail[][]::[][]abc[] []abc[][];[]

[]#endif[]
[]#if[][] !defined(BOOST_NO_USING_TEMPLATE)[]

  []using[] []detail[][]::[][]xyz[][];[]

[]#else[]

  []template[][]< [][]class[] []T[][] >[]

  []struct[] []xyz[]

[]  {[]

    []typedef[] []detail[][]::[][]xyz[][]<[][]T[][]> [][]type[][];[]

[]  };[]

[]#endif[]
[]} [][]// namespace pstade[]
[]#include[] []<string>[]
[]int[] []main[][]()[]

[]{[]

  []pstade[][]::[][]abc[] []a[][];[]
[]#if[][] !defined(BOOST_NO_USING_TEMPLATE)[]

  []pstade[][]::[][]xyz[][]<[][]int[][]> [][]x[][];[]

[]#else[]

  []pstade[][]::[][]xyz[][]<[][]int[][]>::[][]type[] []x[][];[]

[]#endif[]
[]#if[][] BOOST_WORKAROUND(BOOST_MSVC, == 1400) []

  []using[] []namespace[] []pstade[][];[]

  []string[] []str[][]; [][]// まさか！[]

[]#endif[]
  []return[] []0[][];[]

[]}[]