我有两个哈希数组。哈希值的键不同:
player_scores1 = [{:first_name=>"Bruce", :score => 43, :time => 50},
{:first_name=>"Clark", :score => 45, :minutes => 20}]
player_scores2 = [{:last_name=>"Wayne", :points => 13, :time => 40},
{:last_name=>"Kent", :points => 3, :minutes => 20}]
我想创建一个新的哈希数组,将 :score 和 :points 加在一起,并将其分配给名为 :score 的键。我还想组合 :first_name 和 :last_name 并将其分配给名为 :full_name 的键。我想丢弃任何其他密钥。
这将导致这个数组:
all_players = [{:full_name => "Bruce Wayne", :score => 56},
{:full_name => "Clark Kent", :score => 48}]
有没有一种优雅的方法来做到这一点?
像这样的事情:
player_scores1.zip(player_scores2).map { |a,b|
{
:full_name => a[:first_name]+' '+b[:last_name],
:score => a[:score]+b[:points]
}
}
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