Auxiliary interfaces

C++ Grammar
  • Auxiliary class interfacesという提案(pdf)がある
  • operator|を使って実装を試みる
    • 引数がゼロ個の場合は本当に使っていいかもしれない

[]#include[] []<pstade/auxiliary.hpp>[]

[]#include[] []<boost/utility/result_of.hpp>[]

[]#include[] []<cstring>[]




[]using[] []namespace[] []pstade[][];[]
[]void[] []test[][]()[]

[]{[]

    []boost[][]::[][]result_of[][]<[]

        []op_auxiliary1[][]([][]int[][] (*)([][]char[] []const[][] *, [][]char[] []const[][] *))[]

[]    >::[][]type[] []compare[][] = [][]auxiliary1[][](&[][]std[][]::[][]strcmp[][]);[]
    []BOOST_CHECK[][]( [][]compare[][]([][]"abcd"[][], [][]"abce"[][]) < [][]0[][] );[]

    []BOOST_CHECK[][]( ( [][]"abcd"[][]|[][]compare[][]([][]"abce"[][]) ) < [][]0[][] );[]

[]}[]