remove begin and rest_s parsers

CHANGELOG.md

@@ -26,6 +26,7 @@
 - `take_until_either`, `take_until_either1`, `take_until_either_and_consume` and `take_until_either_and_consume1`: they can be replaced with `is_not` (possibly combined with something else)
 - `take_until_and_consume`, `take_until_and_consume1`: they can be replaced with `take_until` combined with `take`
 - `sized_buffer` and `length_bytes!`: they can be replaced with the `length_data` function
+- `begin` and `rest_s` function
 
 ## 4.2.3 - 2019-03-23
 

src/combinator/mod.rs

@@ -18,12 +18,6 @@ use lib::std::mem::transmute;
 #[macro_use]
 mod macros;
 
-#[inline]
-// FIXME: remove?
-pub fn begin(input: &[u8]) -> IResult<(), &[u8]> {
-  Ok(((), input))
-}
-
 /// Recognizes non empty buffers
 #[inline]
 pub fn non_empty<T, E: ParseError<T>>(input: T) -> IResult<T, T, E>
@@ -59,12 +53,6 @@ where
   Ok((input, len))
 }
 
-/// Return the remaining input, for strings.
-#[inline]
-pub fn rest_s<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, &'a str, E> {
-  Ok((&input[input.len()..], input))
-}
-
 /// maps a function on the result of a parser
 ///
 /// ```rust