46 lines
616 B
Ruby
46 lines
616 B
Ruby
# string creation
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x = "hello world"
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# string destruction
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x = nil
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# string assignment with a null byte
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x = "a\0b"
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x.length # ==> 3
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# string comparison
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if x == "hello"
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puts equal
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else
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puts "not equal"
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end
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y = 'bc'
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if x < y
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puts "#{x} is lexicographically less than #{y}"
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end
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# string cloning
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xx = x.dup
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x == xx # true, same length and content
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x.equal?(xx) # false, different objects
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# check if empty
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if x.empty?
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puts "is empty"
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end
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# append a byte
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x << "\07"
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# substring
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xx = x[0..-2]
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# replace bytes
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y = "hello world".tr("l", "L")
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# join strings
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a = "hel"
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b = "lo w"
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c = "orld"
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d = a + b + c
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