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Brandon Jacobi
4,702 PointsRUBY: Elsif Statements vs Case Statements. Which is better for production?
When using Elsif and Case statements for checking for certain conditions which is better to use?
Elsif
if answer == "reverse"
puts "This is your name backwards: "
puts name.reverse
elsif answer == "uppercase"
puts "This is your name in all uppercase letters: "
puts name.upcase
elsif answer == "both"
puts "This is your name in every look: "
puts name.reverse.upcase
elsif answer == "no"
puts "Okay then...."
end
Case
case answer
when "reverse"
puts "This is your name backwards: "
puts name.reverse
when "uppercase"
puts "This is your name in all uppercase letters: "
puts name.upcase
when "both"
puts "This is your name in every look: "
puts name.reverse.upcase
else "no"
puts "Okay then...."
end
So when it comes down to these which one is better to use? It it just preference?
1 Answer
gregsmith5
32,615 PointsThere's no essential difference between the two and you should be able to use either depending on style. One feature of case expressions is that they return a value. So, you can rewrite your example thusly
puts case answer
when "reverse"
"This is your name backwards: "
name.reverse
when "uppercase"
"This is your name in all uppercase letters: "
name.upcase
when "both"
"This is your name in every look: "
name.reverse.upcase
else "no"
"Okay then...."
end