class RuboCop::AST::NodePattern::Node::Union

Node class for `{ … }`

Public Instance Methods

arity() click to toggle source
# File lib/rubocop/ast/node_pattern/node.rb, line 221
def arity
  minima, maxima = children.map(&:arity_range).map(&:minmax).transpose
  min = minima.min
  max = maxima.max
  min == max ? min : min..max
end
in_sequence_head() click to toggle source
# File lib/rubocop/ast/node_pattern/node.rb, line 228
def in_sequence_head
  return unless children.any?(&:in_sequence_head)

  new_children = children.map do |child|
    next child unless (replace = child.in_sequence_head)

    if replace.size > 1
      Subsequence.new(:subsequence, replace, loc: child.loc)
    else
      replace.first
    end
  end

  [with(children: new_children)]
end