jdantonio/concurrent-ruby

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lib/concurrent-ruby-edge/concurrent/edge/lock_free_queue.rb

Summary

Maintainability
A
2 hrs
Test Coverage

Method pop has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
Open

    def pop
      # retry until some value can be returned
      while true
        # the value in @head is just a dummy node that always sits in that position,
        # the real 'head' is in its successor
Severity: Minor
Found in lib/concurrent-ruby-edge/concurrent/edge/lock_free_queue.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method push has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
Open

    def push(item)
      # allocate a new node with the item embedded
      new_node = Node.new(item, nil)

      # keep trying until the operation succeeds
Severity: Minor
Found in lib/concurrent-ruby-edge/concurrent/edge/lock_free_queue.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

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