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raidou

raidou

V2EX member #79823, joined on 2014-11-02 20:39:05 +08:00
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raidou's recent replies
Aug 11, 2016
Replied to a topic by kidon 问与答 有几个技术讨论群...欢迎大家来加入?
<?php
$a = [7,2,1,3,9,0,4,6];
$b = [3,1,0,2,3,4,5,6,7];
echo join(array_map(function($i) use($a) {
return $a[$i];
}, $b));

elixir
a = [7,2,1,3,9,0,4,6]
b = [3,1,0,2,3,4,5,6,7]
IO.puts(b |> Enum.map(fn(i) -> Enum.at(a, i) end) |> Enum.join)

swift
let a = [7,2,1,3,9,0,4,6]
let b = [3,1,0,2,3,4,5,6,7]
print(b.map({(i: Int) -> String in String(a[i])}).joinWithSeparator(""))
Jun 23, 2015
Replied to a topic by aeshfawre 分享发现 请注意你们的网易邮箱!
我今天也收到一条提醒了。

2015-06-23 16:11
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