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

class SyntaxTree::LambdaVar - RDoc Documentation

1. SyntaxTree::
2. LambdaVar

LambdaVar represents the parameters being declared for a lambda. Effectively this node is everything contained within the parentheses. This includes all of the various parameter types, as well as block-local variable declarations.

-> (positional, optional = value, keyword:, █ local) do
end

Array[ Ident ]

the list of block-local variable declarations

Params

the parameters being declared with the block

def initialize(params:, locals:, location:)
  @params = params
  @locals = locals
  @location = location
  @comments = []
end

def ===(other)
  other.is_a?(LambdaVar) && params === other.params &&
    ArrayMatch.call(locals, other.locals)
end

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

def child_nodes
  [params, *locals]
end

def copy(params: nil, locals: nil, location: nil)
  node =
    LambdaVar.new(
      params: params || self.params,
      locals: locals || self.locals,
      location: location || self.location
    )

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

def deconstruct_keys(_keys)
  { params: params, locals: locals, location: location, comments: comments }
end

def empty?
  params.empty? && locals.empty?
end

def format(q)
  q.format(params)

  if locals.any?
    q.text("; ")
    q.seplist(locals, BlockVar::SEPARATOR) { |local| q.format(local) }
  end
end

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