programming ruby 之第7,8章学习总结
1.基本上所有的东西在ruby里边都是表达式One of the first differenceswith Ruby is that anything that can reasonably return a value does: just about everything is an expression.What does this mean in practice?
Some obvious things include the ability to chain statements together.
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[*]handle = if song.artist == "Gillespie" then
[*]<span />"Dizzy"
[*]<span />elsif song.artist == "Parker" then
[*]<span />"Bird"
[*]<span />else
[*]<span />"unknown"
[*]<span />end
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