import copy

# Make deep copies of arguments to treat the arguments as structs.
# https://stackoverflow.com/a/15398021
def llm_by_value(f):
  def _f(*args, **kwargs):
      argsCopy = copy.deepcopy(args)
      kwargsCopy = copy.deepcopy(kwargs)
      return f(*argsCopy, **kwargsCopy)
  return _f

# Tell if string is a digit
def llm_isDigit(s):
  return s.isdigit()

# Tell if string starts with certain prefix.
def llm_startsWith(s, prefix):
  return s.startswith(prefix)

# Convert string to integer
def llm_strToInt(s):
  return int(s)