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Showing content from https://ruby-syntax-tree.github.io/syntax_tree/SyntaxTree/MAssign.html below:

class SyntaxTree::MAssign - RDoc Documentation

1. SyntaxTree::
2. MAssign

MAssign is a parent node of any kind of multiple assignment. This includes splitting out variables on the left like:

first, second, third = value

as well as splitting out variables on the right, as in:

value = first, second, third

Both sides support splats, as well as variables following them. There’s also destructuring behavior that you can achieve with the following:

first, = value

Node

the value being assigned

def initialize(target:, value:, location:)
  @target = target
  @value = value
  @location = location
  @comments = []
end

def ===(other)
  other.is_a?(MAssign) && target === other.target && value === other.value
end

def accept(visitor)
  visitor.visit_massign(self)
end

def child_nodes
  [target, value]
end

def copy(target: nil, value: nil, location: nil)
  node =
    MAssign.new(
      target: target || self.target,
      value: value || self.value,
      location: location || self.location
    )

  node.comments.concat(comments.map(&:copy))
  node
end

def deconstruct_keys(_keys)
  { target: target, value: value, location: location, comments: comments }
end

def format(q)
  q.group do
    q.group { q.format(target) }
    q.text(" =")
    q.indent do
      q.breakable_space
      q.format(value)
    end
  end
end

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