Eliminate lib module

Author: dtolnay

src/de.rs

@@ -3,10 +3,16 @@
 use crate::error::{Error, ErrorCode, Result};
 #[cfg(feature = "float_roundtrip")]
 use crate::lexical;
-use crate::lib::str::FromStr;
-use crate::lib::*;
 use crate::number::Number;
 use crate::read::{self, Fused, Reference};
+use alloc::string::String;
+use alloc::vec::Vec;
+#[cfg(feature = "float_roundtrip")]
+use core::iter;
+use core::iter::FusedIterator;
+use core::marker::PhantomData;
+use core::result;
+use core::str::FromStr;
 use serde::de::{self, Expected, Unexpected};
 use serde::{forward_to_deserialize_any, serde_if_integer128};
 

src/error.rs

@@ -1,9 +1,14 @@
 //! When serializing or deserializing JSON goes wrong.
 
 use crate::io;
-use crate::lib::str::FromStr;
-use crate::lib::*;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use core::fmt::{self, Debug, Display};
+use core::result;
+use core::str::FromStr;
 use serde::{de, ser};
+#[cfg(feature = "std")]
+use std::error;
 
 /// This type represents all possible errors that can occur when serializing or
 /// deserializing JSON data.

src/io/core.rs

@@ -1,7 +1,9 @@
 //! Reimplements core logic and types from `std::io` in an `alloc`-friendly
 //! fashion.
 
-use crate::lib::*;
+use alloc::vec::Vec;
+use core::fmt::{self, Display};
+use core::result;
 
 pub enum ErrorKind {
     Other,

src/lexical/bhcomp.rs

@@ -12,7 +12,7 @@ use super::float::*;
 use super::math::*;
 use super::num::*;
 use super::rounding::*;
-use crate::lib::{cmp, mem};
+use core::{cmp, mem};
 
 // MANTISSA
 

src/lexical/bignum.rs

@@ -3,7 +3,7 @@
 //! Big integer type definition.
 
 use super::math::*;
-use crate::lib::Vec;
+use alloc::vec::Vec;
 
 /// Storage for a big integer type.
 #[derive(Clone, PartialEq, Eq)]

src/lexical/math.rs

@@ -9,7 +9,8 @@
 use super::large_powers;
 use super::num::*;
 use super::small_powers::*;
-use crate::lib::{cmp, iter, mem, Vec};
+use alloc::vec::Vec;
+use core::{cmp, iter, mem};
 
 // ALIASES
 // -------

src/lexical/num.rs

@@ -2,7 +2,7 @@
 
 //! Utilities for Rust numbers.
 
-use crate::lib::ops;
+use core::ops;
 
 /// Precalculated values of radix**i for i in range [0, arr.len()-1].
 /// Each value can be **exactly** represented as that type.

src/lexical/rounding.rs

@@ -5,7 +5,7 @@
 use super::float::ExtendedFloat;
 use super::num::*;
 use super::shift::*;
-use crate::lib::mem;
+use core::mem;
 
 // MASKS
 

src/lexical/shift.rs

@@ -3,7 +3,7 @@
 //! Bit-shift helpers.
 
 use super::float::ExtendedFloat;
-use crate::lib::mem;
+use core::mem;
 
 // Shift extended-precision float right `shift` bytes.
 #[inline]

src/lib.rs

@@ -360,38 +360,8 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
-////////////////////////////////////////////////////////////////////////////////
-
 extern crate alloc;
 
-/// A facade around all the types we need from the `std`, `core`, and `alloc`
-/// crates. This avoids elaborate import wrangling having to happen in every
-/// module.
-mod lib {
-    pub use core::cell::{Cell, RefCell};
-    pub use core::clone::{self, Clone};
-    pub use core::convert::{self, From, Into};
-    pub use core::default::{self, Default};
-    pub use core::fmt::{self, Debug, Display};
-    pub use core::hash::{self, Hash, Hasher};
-    pub use core::iter::FusedIterator;
-    pub use core::marker::{self, PhantomData};
-    pub use core::ops::{Bound, RangeBounds};
-    pub use core::result::{self, Result};
-    pub use core::{borrow, char, cmp, iter, mem, num, ops, slice, str};
-
-    pub use alloc::borrow::{Cow, ToOwned};
-    pub use alloc::boxed::Box;
-    pub use alloc::collections::{btree_map, BTreeMap};
-    pub use alloc::string::{String, ToString};
-    pub use alloc::vec::{self, Vec};
-
-    #[cfg(feature = "std")]
-    pub use std::error;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
 #[cfg(feature = "std")]
 #[doc(inline)]
 pub use crate::de::from_reader;
@@ -412,8 +382,8 @@ pub use crate::value::{from_value, to_value, Map, Number, Value};
 macro_rules! tri {
     ($e:expr $(,)?) => {
         match $e {
-            crate::lib::Result::Ok(val) => val,
-            crate::lib::Result::Err(err) => return crate::lib::Result::Err(err),
+            core::result::Result::Ok(val) => val,
+            core::result::Result::Err(err) => return core::result::Result::Err(err),
         }
     };
 }