Class: Henitai::Operators::AssignmentExpression

Inherits:
Henitai::Operator show all
Defined in:
lib/henitai/operators/assignment_expression.rb

Overview

Reduces ||= to a plain assignment, removing the memoization guard.

Arithmetic compound assignments (+=, -=, *=, /=) are covered by UpdateOperator, which also handles the logical pair swap (||= ↔ &&=). AssignmentExpression is intentionally scoped to or_asgn reduction only to avoid emitting duplicate mutants in the full operator set.

Constant Summary collapse

NODE_TYPES = 
%i[or_asgn].freeze

Constants inherited from Henitai::Operator

Henitai::Operator::FULL_SET, Henitai::Operator::LIGHT_SET

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Henitai::Operator

for_set, #name

Class Method Details

.node_types ⇒ Object 



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# File 'lib/henitai/operators/assignment_expression.rb', line 16

def self.node_types
  NODE_TYPES
end

Instance Method Details

#mutate(node, subject:) ⇒ Object 



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# File 'lib/henitai/operators/assignment_expression.rb', line 20

def mutate(node, subject:)
  case node.type
  when :or_asgn
    # Memoization-style ||= is usually filtered earlier by AridNodeFilter.
    mutate_coalesce_assignment(node, subject:)
  else
    []
  end
end