def word(s):
"""Parse a sequence of characters as a single string.
Args:
s: Allowed characters in the word.
Returns:
The parsing function.
"""
@combinators.mapf(combinators.many1(one_of(s)))
def _action(cs):
return "".join(cs)
return combinators.choice(_action, primitives.error(list(s)))
def test_parses_some(self):
self.assertParse(
combinators.many1(primitives.match(lambda c: c == "h")), ["h"],
"ello", "hello")
def test_fails_to_parse(self):
e = self.assertParseFailure(
combinators.many1(primitives.error({"error!"})), "hello")
self.assertEqual({"error!"}, e.expected)
def test_parses(self):
self.assertParse(combinators.many1(primitives.any_), list("hello"), "",
"hello")
