Assert that x is a subset of y

x is a subset of y

assert_in(
  x,
  y,
  message = "all %s must be in %s",
  name_x = deparse(substitute(x)),
  name_y = nice_format(y)
)

Arguments

x	Value(s) to check if subset of y
y	Set of values x must be a subset of
message	Message to output if not all x are in y
name_x	Name of x
name_y	Name of y

Details

x is a subset of y (all x are in y)