The include?() is an inbuilt method in Ruby returns a boolean value true if the given object lies within the given range, else it returns false.
Syntax: range1.include?(obj)
Parameters: The function accepts an object which is to be checked for.
Return Value: It returns a boolean value true if the given object lies within the given range, else it returns false.
Example 1:
# Ruby program for include? method in Range # Initialize range range1 = (0..10)
# Prints if lies or not puts range1.include?(6)
puts range1.include?(13)
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Output:
true false
Example 2:
# Ruby program for include? method in Range # Initialize range range1 = (2..5)
# Prints if lies or not puts range1.include?(7)
puts range1.include?(11)
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Output:
false false