class Prism::DotVisitor

def visit_in_node(node)

Visit a InNode node. 
def visit_in_node(node)
  table = Table.new("InNode")
  id = node_id(node)
  # pattern
  table.field("pattern", port: true)
  digraph.edge("#{id}:pattern -> #{node_id(node.pattern)};")
  # statements
  unless (statements = node.statements).nil?
    table.field("statements", port: true)
    digraph.edge("#{id}:statements -> #{node_id(statements)};")
  end
  # in_loc
  table.field("in_loc", location_inspect(node.in_loc))
  # then_loc
  unless (then_loc = node.then_loc).nil?
    table.field("then_loc", location_inspect(then_loc))
  end
  digraph.nodes << <<~DOT
    #{id} [
      label=<#{table.to_dot.gsub(/\n/, "\n  ")}>
    ];
  DOT
  super
end