Commits on Nov 21, 2023

1. [Fix #386] Fix a false negative for `Performance/StringIdentifierArgu… …

   …ment`
   
   Makes the cop aware of string interpolation.
   
   ```rb
   require 'benchmark/ips'
   
   puts `ruby -v`
   
   def foo_bar
   end
   
   bar = "bar"
   
   Benchmark.ips do |x|
     x.report('symbol arg') { send(:"foo_#{bar}") }
     x.report('string arg') { send("foo_#{bar}") }
   
     x.compare!
   end
   ```
   
   ```
   ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-linux-musl]
   Warming up --------------------------------------
             symbol arg   641.253k i/100ms
             string arg   602.373k i/100ms
   Calculating -------------------------------------
             symbol arg      6.385M (± 0.6%) i/s -     32.063M in   5.022123s
             string arg      6.023M (± 0.5%) i/s -     30.119M in   5.000717s
   
   Comparison:
             symbol arg:  6384545.4 i/s
             string arg:  6023007.5 i/s - 1.06x  slower
   ```

   

   Earlopain committed Nov 21, 2023
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