InputRange连接

Question

是否存在连接两个或更多个的高阶范围模式InputRanges？

就像是

foreach (e; a) {
    // do stuff with e
}
foreach (e; b) {
    // do stuff with e
}
...

应改为写成

foreach (e; someMagic(a, b, ...)) {
    // do stuff with e
}

Answer 1

someMagic来自std.range:http://dlang.org/phobos/std_range.html#chain