使用两个数组Ruby构造哈希

Question

我有两个数组如下：

["first_name", "last_name", "email_id",  "company"]
["Andy", "Martin", "hello@ex.com",  nil]

我需要将其构造为这样的哈希。

{"first_name"=>"Andy", "last_name"=>"Martin", "email_id"=>"hello@ex.com", "company"=>nil}  

Ruby中有可能吗？如果，那该怎么做？

Answer 1

使用Array#zip执行此操作：

h1 = ["first_name", "last_name", "email_id",  "company"]
h2 = ["Andy", "Martin", "hello@ex.com",  nil]

p Hash[h1.zip(h2)]

# >> {"first_name"=>"Andy", "last_name"=>"Martin", "email_id"=>"hello@ex.com",    "company"=>nil}

Answer 2

即使这对我有用

h1 = ["first_name", "last_name", "email_id",  "company"]
h2 = ["Andy", "Martin", "hello@ex.com",  nil]

Hash[[h1,h2].transpose]

# >> {"first_name"=>"Andy", "last_name"=>"Martin", "email_id"=>"hello@ex.com",    "company"=>nil}