終わらないRange

• よく考えるとistream_iteratorのRangeも永遠に入力しつづければ無限なので問題がない
• 以下のソースコードはこの辺り
  • any_iteratorについては、ここやここ

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

[]#include[] []<pstade/oven/functions.hpp>[]

[]#include[] []<pstade/oven/ranges.hpp>[]

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

[]#include[] []<boost/lambda/core.hpp>[]

[]namespace[] []lambda[][] = [][]boost[][]::[][]lambda[][];[]

[]namespace[] []oven[][] = [][]pstade[][]::[][]oven[][];[]

[]using[] []namespace[] []oven[][];[]

[]typedef[]

    []any_range[][]<[][]int[] []const[][], [][]boost[][]::[][]single_pass_traversal_tag[][]>[]

[]any_range_[][];[]


[]any_range_[] []denominators[][]([][]int[] []x[][])[]

[]{[]

    []return[] []oven[][]::[][]from_1_to[][]([][]x[][]+1[][])|[][]filtered[][]([][]x[][] % [][]lambda[][]::[][]_1[][] == [][]0[][])|[][]regularized[][];[]

[]}[]


[]bool[] []is_prime[][]([][]int[] []x[][])[]

[]{[]

    []int[] []const[] []youI[][][] = { [][]1[][], [][]x[][] };[]

    []return[] []oven[][]::[][]equals[][]([][]denominators[][]([][]x[][]), [][]youI[][]);[]

[]}[]


[]any_range_[] []const[] []primes[][] =[]

    []iteration[][]([][]1[][], [][]lambda[][]::[][]_1[][] + [][]1[][])|[][]regularized[][]|[][]const_lvalues[][]|[][]filtered[][](&[][]is_prime[][]);[]


[]int[] []main[][]()[]

[]{[]

    []oven[][]::[][]copy[][]([][]primes[][]|[][]taken[][]([][]500[][]),[]

        []to_ostream[][]<[][]int[][]>([][]std[][]::[][]cout[][], [][]","[][])[]

[]    );[]

[]}[]