# Good
my_function(
  x,
  long_argument_name,
  extra_argument_a = 10,
  extra_argument_b = c(1, 43, 390, 210209)
)

# Also good
my_function(
  x = x,
  y = long_argument_name,
  extra_argument_a = 10,
  extra_argument_b = c(1, 43, 390, 210209)
)