检查集合中是否存在元素. Ruby

#check

Ruby

xxxxxxxxxx
 
require 'set'
​
Vegetable=Set.new(["potato","brocolli","broccoflower","lentils","peas","fennel","chilli","cabbage"])
​
puts "Enter the element:-"
element = gets.chomp
​
val =  Vegetable === element
if val == true
    puts "#{element} is Present in the set."
else
    puts "#{element} is not Present in the set."
end

Output result

Enter the element:-
tomato
tomato is not Present in the set.

示例 2

Ruby

xxxxxxxxxx
 
require 'set'
​
Vegetable=Set.new(["potato","brocolli","broccoflower","lentils","peas","fennel","chilli","cabbage"])
​
puts "Enter the element:-"
element = gets.chomp
​
val1 = false
​
Vegetable.each do |string|
    if string == element
    val1 = true
    end
end
​
if val1 == true
puts "#{element} is present in the set."
else
    puts "#{element} is not present in the set."
end

Output result

Enter the element:-
tomato
tomato is not Present in the set.

Ruby

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检查集合中是否存在元素. Ruby

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