class RuboCop::Cop::Layout::FirstHashElementLineBreak

b: 2 }
a: 1,
{
# good
b: 2}
{ a: 1,
# bad
@example
multi-line hash.
This cop checks for a line break before the first element in a

def autocorrect(node) 

def autocorrect(node)
  EmptyLineCorrector.insert_before(node)
end

def on_hash(node) 

def on_hash(node)
  # node.loc.begin tells us whether the hash opens with a {
  # If it doesn't, Style/FirstMethodArgumentLineBreak will handle it
  check_children_line_break(node, node.children) if node.loc.begin
end