关于将key => value
对添加到Ruby中现有的填充散列中,我正在研究Apress的入门Ruby,刚刚完成了散列一章。
我正在尝试寻找一种最简单的方法来获得与数组相同的散列结果:
x = [1, 2, 3, 4]
x << 5
p x
发布于 2011-07-29 02:24:47
my_hash = {:a => 5}
my_hash[:key] = "value"
发布于 2011-07-29 02:28:45
如果要添加多个:
hash = {:a => 1, :b => 2}
hash.merge! :c => 3, :d => 4
p hash
发布于 2011-07-29 02:25:05
x = {:ca => "Canada", :us => "United States"}
x[:de] = "Germany"
p x
https://stackoverflow.com/questions/6863771
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