23 lines
690 B
Ruby
23 lines
690 B
Ruby
s = "hello"
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puts "#{s} template" #=> "hello template"
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# Variable s is intact
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puts s #=> "hello"
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puts s + " literal" #=> "hello literal"
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# Variable s is still the same
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puts s #=> "hello"
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# Mutating s variable:
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s += " literal"
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puts s #=> "hello literal"
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s << " another" # append to s, use only when string literals are not frozen
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puts s #=> "hello literal another"
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s = "hello"
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puts s.concat(" literal") #=> "hello literal"
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puts s #=> "hello literal"
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puts s.prepend("Alice said: ") #=> "Alice said: hello literal"
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puts s #=> "Alice said: hello literal"
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