Function do_exist

tools/checkimports.py:10–15

(file_name, lines, imported)

import itertools

def do_exist(file_name, lines, imported):
  if not any(not re.match(fr'using \w+::{imported};', line) and
             re.search(fr'\b{imported}\b', line) for line in lines):
    print(f'File "{file_name}" does not use "{imported}"')
    return False
  return True


def is_valid(file_name):