Rearrange export structure to something a bit more convenient.

substrate/wasm-runtime/polkadot/src/codec/joiner.rs

@@ -16,8 +16,8 @@
 
 //! Vec<u8> serialiser.
 
-use runtime_support::prelude::*;
-use slicable::Slicable;
+use runtime_std::prelude::*;
+use super::slicable::Slicable;
 
 /// Trait to allow itself to be serialised into a `Vec<u8>`
 pub trait Joiner {

substrate/wasm-runtime/polkadot/src/codec/keyedvec.rs

@@ -16,8 +16,8 @@
 
 //! Serialiser and prepender.
 
-use runtime_support::prelude::*;
-use slicable::Slicable;
+use runtime_std::prelude::*;
+use super::slicable::Slicable;
 
 /// Trait to allow itselg to be serialised and prepended by a given slice.
 pub trait KeyedVec {

substrate/wasm-runtime/polkadot/src/codec/mod.rs

@@ -16,8 +16,14 @@
 
 //! Codec utils.
 
-pub mod endiansensitive;
-pub mod streamreader;
-pub mod joiner;
-pub mod slicable;
-pub mod keyedvec;
+mod endiansensitive;
+mod slicable;
+mod streamreader;
+mod joiner;
+mod keyedvec;
+
+pub use self::endiansensitive::EndianSensitive;
+pub use self::slicable::{Slicable, NonTrivialSlicable};
+pub use self::streamreader::StreamReader;
+pub use self::joiner::Joiner;
+pub use self::keyedvec::KeyedVec;

substrate/wasm-runtime/polkadot/src/codec/slicable.rs

@@ -16,10 +16,10 @@
 
 //! Serialisation.
 
-use runtime_support::prelude::*;
-use runtime_support::{mem, slice};
-use joiner::Joiner;
-use endiansensitive::EndianSensitive;
+use runtime_std::prelude::*;
+use runtime_std::{mem, slice};
+use super::joiner::Joiner;
+use super::endiansensitive::EndianSensitive;
 
 /// Trait that allows zero-copy read/write of value-references to/from slices in LE format.
 pub trait Slicable: Sized {

substrate/wasm-runtime/polkadot/src/codec/streamreader.rs

@@ -16,7 +16,7 @@
 
 //! Deserialiser.
 
-use slicable::Slicable;
+use super::slicable::Slicable;
 
 /// Simple deserialiser.
 pub struct StreamReader<'a> {