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47 lines
766 B
Plaintext
47 lines
766 B
Plaintext
# Similar to a switch statement if you've used C/C++/Java, but Ruby's
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# is a bit more powerful.
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# Basic value tests
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num = 5
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case num
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when 1
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puts "it's one"
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when 3
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puts "wow, it's three"
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when 5
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puts "five golden rings"
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end
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# Ranges
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num = 25
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case num
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when 1..10
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puts "between one and ten"
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when 20..30
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puts "between twenty and thirty"
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else
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puts "must be between ten and twenty"
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end
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# Regular expressions
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str = "doe, a deer"
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case str
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when /food/
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puts "i'm hungry"
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when /doe/
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puts "#{str}, a female deer"
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end
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# Please note that `case` uses `===` operator to match values.
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# The following are equivalent:
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case x
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when Integer then "I'm a number"
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when String then "I'm a text"
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end
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if Integer === x
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"I'm a number"
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elsif String === x
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"I'm a text"
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end
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