Class: RuboCop::Cop::Performance::RedundantSortBlock

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
SortBlock
Defined in:
lib/rubocop/cop/performance/redundant_sort_block.rb

Overview

This cop identifies places where `sort { |a, b| a <=> b }` can be replaced with `sort`.

Examples:

# bad
array.sort { |a, b| a <=> b }

# good
array.sort

Constant Summary collapse

MSG = 
'Use `sort` instead of `%<bad_method>s`.'

Instance Method Summary collapse

Instance Method Details

#on_block(node) ⇒ Object 



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# File 'lib/rubocop/cop/performance/redundant_sort_block.rb', line 22

def on_block(node)
  return unless (send, var_a, var_b, body = sort_with_block?(node))

  replaceable_body?(body, var_a, var_b) do
    range = sort_range(send, node)

    add_offense(range, message: message(var_a, var_b)) do |corrector|
      corrector.replace(range, 'sort')
    end
  end
end