Most concise way to test string equality not object equality for Ruby strings or symbols

Question

I always do this to test string equality in Ruby   if mystring eql  yourstring   puts  same  else  puts  different  end   Is this is the correct way to do this without testing object equality   I m looking for the most concise way to test strings based on their content    With the parentheses and question mark  this seems a little clunky

User · Answer

Your code sample didn t expand on part of your topic  namely symbols  and so that part of the question went unanswered   If you have two strings  foo and bar  and both can be either a string or a symbol  you can test equality with  foo to s    bar to s   It s a little more efficient to skip the string conversions on operands with known type  So if foo is always a string  foo    bar to s   But the efficiency gain is almost certainly not worth demanding any extra work on behalf of the caller   Prior to Ruby 2 2  avoid interning uncontrolled input strings for the purpose of comparison  with strings or symbols   because symbols are not garbage collected  and so you can open yourself to denial of service through resource exhaustion  Limit your use of symbols to values you control  i e  literals in your code  and trusted configuration properties   Ruby 2 2 introduced garbage collection of symbols

User · Answer

According to http   www techotopia com index php Ruby String Concatenation and Comparison  Doing either   mystring    yourstring  or  mystring eql  yourstring  Are equivalent

[ruby] Most concise way to test string equality (not object equality) for Ruby strings or symbols?

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