Ruby | Set compare_by_identity? function
The compare_by_identity?() is an inbuilt method in Ruby returns true if the set will compare its elements by their identity.
Syntax: s1.name.compare_by_identity?()
Parameters: The function does not takes any parameter.
Return Value: It returns true if the set will compare its elements by their identity..
Example 1:
#Ruby program to illustrate the
#compare_by_identity ? method
#requires the set
require "set"
s1
= Set[]
puts s1.compare_by_identity
? ()
#Add 10 to it
s1
<< 10
puts s1.compare_by_identity
? ()
s1
<< 'a'
puts s1.compare_by_identity
? ()
|
Output:
false
false
false
Example 2:
#Ruby program to illustrate the
#compare_by_identity ? method
#requires the set
require "set"
s1
= Set[1, 2, 3]
puts s1.compare_by_identity
? ()
#Add 12 to it
s1
<< 12
puts s1.compare_by_identity
? ()
|
Output:
false
false
Reference: https://devdocs.io/ruby~2.5/set#method-i-compare_by_identity-3F
Last Updated :
07 Jan, 2020
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