class RuboCop::Cop::Naming::VariableNumber

variable_one = 1
variableone = 1
# good
variable_1 = 1
variable1 = 1
# bad
@example EnforcedStyle: non_integer
variable1 = 1
# good
variable_1 = 1
# bad
@example EnforcedStyle: normalcase (default)
variable_1 = 1
# good
variable1 = 1
# bad
@example EnforcedStyle: snake_case
for their numbering.
configured style, snake_case, normalcase, or non_integer,
This cop makes sure that all numbered variables use the

def message(style) 

def message(style)
  format(MSG, style: style)
end

def on_arg(node) 

def on_arg(node)
  name, = *node
  check_name(node, name, node.loc.name)
end