Remove LineColIterator

This belongs in a helper crate.

serde/src/iter.rs

@@ -1,73 +0,0 @@
-//! Module that contains helper iterators.
-
-use std::io;
-use std::iter::Peekable;
-
-/// Iterator over a byte stream that tracks the current position's line and column.
-pub struct LineColIterator<Iter: Iterator<Item = io::Result<u8>>> {
-    iter: Iter,
-    line: usize,
-    col: usize,
-}
-
-impl<Iter: Iterator<Item = io::Result<u8>>> LineColIterator<Iter> {
-    /// Construct a new `LineColIterator<Iter>`.
-    pub fn new(iter: Iter) -> LineColIterator<Iter> {
-        LineColIterator {
-            iter: iter,
-            line: 1,
-            col: 0,
-        }
-    }
-
-    /// Report the current line inside the iterator.
-    pub fn line(&self) -> usize {
-        self.line
-    }
-
-    /// Report the current column inside the iterator.
-    pub fn col(&self) -> usize {
-        self.col
-    }
-
-    /// Gets a reference to the underlying iterator.
-    pub fn get_ref(&self) -> &Iter {
-        &self.iter
-    }
-
-    /// Gets a mutable reference to the underlying iterator.
-    pub fn get_mut(&mut self) -> &mut Iter {
-        &mut self.iter
-    }
-
-    /// Unwraps this `LineColIterator`, returning the underlying iterator.
-    pub fn into_inner(self) -> Iter {
-        self.iter
-    }
-}
-
-impl<Iter: Iterator<Item = io::Result<u8>>> LineColIterator<Peekable<Iter>> {
-    /// peeks at the next value
-    pub fn peek(&mut self) -> Option<&io::Result<u8>> {
-        self.iter.peek()
-    }
-}
-
-impl<Iter: Iterator<Item = io::Result<u8>>> Iterator for LineColIterator<Iter> {
-    type Item = io::Result<u8>;
-    fn next(&mut self) -> Option<io::Result<u8>> {
-        match self.iter.next() {
-            None => None,
-            Some(Ok(b'\n')) => {
-                self.line += 1;
-                self.col = 0;
-                Some(Ok(b'\n'))
-            }
-            Some(Ok(c)) => {
-                self.col += 1;
-                Some(Ok(c))
-            }
-            Some(Err(e)) => Some(Err(e)),
-        }
-    }
-}

serde/src/lib.rs

@@ -95,9 +95,6 @@ pub use de::{Deserialize, Deserializer};
 mod macros;
 
 pub mod de;
-#[cfg(feature = "std")]
-#[doc(hidden)]
-pub mod iter;
 pub mod ser;
 mod utils;