Tidy up code style

src/io/core.rs

@@ -1,8 +1,3 @@
-//! Copy from [serde-rs/json](https://github.com/serde-rs/json/blob/207a57b68880769c81d525f9f5b38d3be1340806/src/io/core.rs)
-
-//! Reimplements core logic and types from `std::io` in an `alloc`-friendly
-//! fashion.
-
 use alloc::vec::Vec;
 use core::fmt::{self, Display};
 use core::result;
@@ -11,8 +6,6 @@ pub enum ErrorKind {
     Other,
 }
 
-// I/O errors can never occur in no-std mode. All our no-std I/O implementations
-// are infallible.
 pub struct Error;
 
 impl Display for Error {
@@ -33,8 +26,6 @@ pub trait Write {
     fn write(&mut self, buf: &[u8]) -> Result<usize>;
 
     fn write_all(&mut self, buf: &[u8]) -> Result<()> {
-        // All our Write impls in no_std mode always write the whole buffer in
-        // one call infallibly.
         let result = self.write(buf);
         debug_assert!(result.is_ok());
         debug_assert_eq!(result.unwrap_or(0), buf.len());
@@ -78,4 +69,4 @@ impl Write for Vec<u8> {
     fn flush(&mut self) -> Result<()> {
         Ok(())
     }
-}
+}

src/io/mod.rs

@@ -1,19 +1,8 @@
-//! Copy from [serde-rs/json](https://github.com/serde-rs/json/blob/0de7b516f504b5c1df1774425eef18efb132ed93/src/io/mod.rs)
-
-//! A tiny, `no_std`-friendly facade around `std::io`.
-//! Reexports types from `std` when available; otherwise reimplements and
-//! provides some of the core logic.
-//!
-//! The main reason that `std::io` hasn't found itself reexported as part of
-//! the `core` crate is the `std::io::{Read, Write}` traits' reliance on
-//! `std::io::Error`, which may contain internally a heap-allocated `Box<Error>`
-//! and/or now relying on OS-specific `std::backtrace::Backtrace`.
-
-pub use self::imp::{Result, Write};
+pub use self::io::{Result, Write};
 
 #[cfg(not(feature = "std"))]
 #[path = "core.rs"]
-mod imp;
+mod io;
 
 #[cfg(feature = "std")]
-use std::io as imp;
+use std::io;

src/lib.rs

@@ -3,12 +3,12 @@
 
 extern crate alloc;
 
-pub use crate::de::{Deserializer, from_slice, from_str};
+pub use crate::de::{from_slice, from_str, Deserializer};
 pub use crate::error::{Error, Result};
-pub use crate::ser::{Serializer, to_string, to_vec, to_writer};
+pub use crate::ser::{to_string, to_vec, to_writer, Serializer};
 
 mod de;
 mod error;
+mod io;
 mod read;
 mod ser;
-mod io;