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如何可以在红宝石得到从嵌套阵列这样红宝石:从嵌套数组
[["21:45",8.0],["11:20",14.5],["15:30",21.0]]
提取数据获得这样的结果(在一行中每个子阵列):
[
"21:45 o'clock 08.0 °C",
"11:20 o'clock 14.5 °C",
"15:30 o'clock 21.0 °C"
]
先谢谢你!
提示:['sprintf'](http://ruby-doc.org/core-2.3.1/Kernel.html#method-i-sprintf)或简单插值。 – tadman
'.map {| n | “#{n [0]} o #clock#{”%01d“%n [1]}°C”} – mikebridge