| use nom::{Err, error::ErrorKind, IResult}; |
| use nom::character::complete::digit1; |
| use nom::bytes::complete::escaped; |
| use nom::character::complete::one_of; |
| |
| fn esc(s: &str) -> IResult<&str, &str> { |
| escaped(digit1, '\\', one_of("\"n\\"))(s) |
| } |
| |
| #[cfg(feature="alloc")] |
| fn esc_trans(s: &str) -> IResult<&str, String> { |
| use nom::bytes::complete::{escaped_transform, tag}; |
| escaped_transform(digit1, '\\', |i: &str| tag("n")(i))(s) |
| } |
| |
| #[test] |
| fn test_escaped() { |
| assert_eq!(esc("abcd"), Err(Err::Error(("abcd", ErrorKind::Escaped)))); |
| } |
| |
| #[test] |
| #[cfg(feature="alloc")] |
| fn test_escaped_transform() { |
| assert_eq!(esc_trans("abcd"), Err(Err::Error(("abcd", ErrorKind::EscapedTransform)))); |
| } |