reorganize native-support exports

substrate/wasm-runtime/polkadot/src/support/environment.rs

@@ -16,7 +16,10 @@
 
 //! Environment API: Allows certain information to be accessed throughout the runtime.
 
-use runtime_support::{Rc, RefCell, transmute, Box};
+use runtime_support::mem;
+use runtime_support::cell::RefCell;
+use runtime_support::rc::Rc;
+
 use primitives::{BlockNumber, Digest};
 
 #[derive(Default)]
@@ -48,7 +51,7 @@ fn env() -> Rc<RefCell<Environment>> {
 			let singleton: Rc<RefCell<Environment>> = Rc::new(RefCell::new(Default::default()));
 
 			// Put it in the heap so it can outlive this call
-			SINGLETON = transmute(Box::new(singleton));
+			SINGLETON = mem::transmute(Box::new(singleton));
 		}
 
 		// Now we give out a copy of the data that is safe to use concurrently.
@@ -69,7 +72,7 @@ fn env() -> Rc<RefCell<Environment>> {
 			let singleton: Rc<RefCell<Environment>> = Rc::new(RefCell::new(Default::default()));
 
 			// Put it in the heap so it can outlive this call
-			*s.borrow_mut() = transmute(Box::new(singleton));
+			*s.borrow_mut() = mem::transmute(Box::new(singleton));
 		}
 
 		// Now we give out a copy of the data that is safe to use concurrently.

substrate/wasm-runtime/polkadot/src/support/primitives.rs

@@ -16,12 +16,12 @@
 
 //! Primitive types.
 
-use runtime_support::Vec;
+use runtime_support::vec::Vec;
 use streamreader::StreamReader;
 use joiner::Joiner;
 use slicable::{Slicable, NonTrivialSlicable};
 use function::Function;
-use runtime_support::{size_of, blake2_256, twox_128, twox_256, ed25519_verify};
+use runtime_support::{mem, blake2_256, twox_128, twox_256, ed25519_verify};
 
 #[cfg(test)]
 use std::fmt;
@@ -90,7 +90,7 @@ impl Slicable for Header {
 	}
 
 	fn size_of(data: &[u8]) -> Option<usize> {
-		let first_part = size_of::<Hash>() + size_of::<BlockNumber>() + size_of::<Hash>() + size_of::<Hash>();
+		let first_part = mem::size_of::<Hash>() + mem::size_of::<BlockNumber>() + mem::size_of::<Hash>() + mem::size_of::<Hash>();
 		let second_part = <Vec<Vec<u8>>>::size_of(&data[first_part..])?;
 		Some(first_part + second_part)
 	}
@@ -135,7 +135,7 @@ impl Slicable for Transaction {
 	}
 
 	fn size_of(data: &[u8]) -> Option<usize> {
-		let first_part = size_of::<AccountID>() + size_of::<TxOrder>() + size_of::<u8>();
+		let first_part = mem::size_of::<AccountID>() + mem::size_of::<TxOrder>() + mem::size_of::<u8>();
 		let second_part = <Vec<u8>>::size_of(&data[first_part..])?;
 		Some(first_part + second_part)
 	}
@@ -211,7 +211,7 @@ impl Slicable for UncheckedTransaction {
 	}
 
 	fn size_of(data: &[u8]) -> Option<usize> {
-		let first_part = size_of::<[u8; 64]>();
+		let first_part = mem::size_of::<[u8; 64]>();
 		let second_part = <Transaction>::size_of(&data[first_part..])?;
 		Some(first_part + second_part)
 	}

substrate/wasm-runtime/polkadot/src/support/storable.rs

@@ -19,7 +19,8 @@
 use slicable::Slicable;
 use endiansensitive::EndianSensitive;
 use keyedvec::KeyedVec;
-use runtime_support::{self, twox_128, Vec};
+use runtime_support::vec::Vec;
+use runtime_support::{self, twox_128};
 
 /// Trait for a value which may be stored in the storage DB.
 pub trait Storable {