From 3a4a7ac822289181229c16af58690e63e3b98b62 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomasz=20Drwi=C4=99ga?= Date: Fri, 11 Mar 2016 10:35:26 +0100 Subject: [PATCH 1/2] Bumping clippy version --- Cargo.toml | 2 +- ethcore/Cargo.toml | 2 +- rpc/Cargo.toml | 2 +- sync/Cargo.toml | 2 +- util/Cargo.toml | 2 +- util/bigint/Cargo.toml | 1 - 6 files changed, 5 insertions(+), 6 deletions(-) diff --git a/Cargo.toml b/Cargo.toml index 22d0f9288..70e4cbc34 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -19,7 +19,7 @@ ctrlc = { git = "https://github.com/tomusdrw/rust-ctrlc.git" } fdlimit = { path = "util/fdlimit" } daemonize = "0.2" number_prefix = "0.2" -clippy = { version = "0.0.44", optional = true } +clippy = { version = "0.0.49", optional = true } ethcore = { path = "ethcore" } ethcore-util = { path = "util" } ethsync = { path = "sync" } diff --git a/ethcore/Cargo.toml b/ethcore/Cargo.toml index fbfe175d7..b5c4a7636 100644 --- a/ethcore/Cargo.toml +++ b/ethcore/Cargo.toml @@ -21,7 +21,7 @@ ethcore-util = { path = "../util" } evmjit = { path = "../evmjit", optional = true } ethash = { path = "../ethash" } num_cpus = "0.2" -clippy = { version = "0.0.44", optional = true } +clippy = { version = "0.0.49", optional = true } crossbeam = "0.1.5" lazy_static = "0.1" ethcore-devtools = { path = "../devtools" } diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml index 2ce430e51..918160be9 100644 --- a/rpc/Cargo.toml +++ b/rpc/Cargo.toml @@ -18,7 +18,7 @@ ethcore-util = { path = "../util" } ethcore = { path = "../ethcore" } ethash = { path = "../ethash" } ethsync = { path = "../sync" } -clippy = { version = "0.0.44", optional = true } +clippy = { version = "0.0.49", optional = true } rustc-serialize = "0.3" transient-hashmap = "0.1" serde_macros = { version = "0.7.0", optional = true } diff --git a/sync/Cargo.toml b/sync/Cargo.toml index 46baa8a83..8412d3700 100644 --- a/sync/Cargo.toml +++ b/sync/Cargo.toml @@ -14,7 +14,7 @@ rustc_version = "0.1" [dependencies] ethcore-util = { path = "../util" } ethcore = { path = "../ethcore" } -clippy = { version = "0.0.44", optional = true } +clippy = { version = "0.0.49", optional = true } log = "0.3" env_logger = "0.3" time = "0.1.34" diff --git a/util/Cargo.toml b/util/Cargo.toml index 0ce27ec2b..93b475538 100644 --- a/util/Cargo.toml +++ b/util/Cargo.toml @@ -27,7 +27,7 @@ crossbeam = "0.2" slab = "0.1" sha3 = { path = "sha3" } serde = "0.7.0" -clippy = { version = "0.0.44", optional = true } +clippy = { version = "0.0.49", optional = true } json-tests = { path = "json-tests" } rustc_version = "0.1.0" igd = "0.4.2" diff --git a/util/bigint/Cargo.toml b/util/bigint/Cargo.toml index 377391eeb..1bd2b994e 100644 --- a/util/bigint/Cargo.toml +++ b/util/bigint/Cargo.toml @@ -15,7 +15,6 @@ rustc-serialize = "0.3" arrayvec = "0.3" rand = "0.3.12" serde = "0.7.0" -clippy = { version = "0.0.44", optional = true } heapsize = "0.3" [features] From 8709dd28f884742756ae4bbba9bd628708f271bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomasz=20Drwi=C4=99ga?= Date: Fri, 11 Mar 2016 10:57:58 +0100 Subject: [PATCH 2/2] Fixing clippy warnings --- Cargo.lock | 30 ++++++++++++------------------ ethcore/src/extras.rs | 14 ++++++++++---- ethcore/src/lib.rs | 2 ++ ethcore/src/substate.rs | 14 ++++++++++---- sync/src/chain.rs | 2 +- sync/src/lib.rs | 4 +++- sync/src/transaction_queue.rs | 8 ++++++++ util/src/keys/store.rs | 10 ++++++++-- util/src/kvdb.rs | 7 +++++++ util/src/lib.rs | 2 ++ util/src/memorydb.rs | 11 +++++++++-- util/src/network/discovery.rs | 9 ++++++++- util/src/network/host.rs | 9 ++++++++- util/src/panics.rs | 11 +++++++++-- util/src/rlp/rlpstream.rs | 17 +++++++++++++++-- util/src/table.rs | 13 ++++++++++++- util/src/trie/journal.rs | 7 +++++++ 17 files changed, 131 insertions(+), 39 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index f583a8747..e33e0288c 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,7 +2,7 @@ name = "parity" version = "0.9.99" dependencies = [ - "clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)", + "clippy 0.0.49 (registry+https://github.com/rust-lang/crates.io-index)", "ctrlc 1.1.1 (git+https://github.com/tomusdrw/rust-ctrlc.git)", "daemonize 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", "docopt 0.6.78 (registry+https://github.com/rust-lang/crates.io-index)", @@ -94,7 +94,7 @@ dependencies = [ [[package]] name = "clippy" -version = "0.0.44" +version = "0.0.49" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "regex-syntax 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)", @@ -207,7 +207,7 @@ dependencies = [ name = "ethcore" version = "0.9.99" dependencies = [ - "clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)", + "clippy 0.0.49 (registry+https://github.com/rust-lang/crates.io-index)", "crossbeam 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)", "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethash 0.9.99", @@ -234,7 +234,7 @@ dependencies = [ name = "ethcore-rpc" version = "0.9.99" dependencies = [ - "clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)", + "clippy 0.0.49 (registry+https://github.com/rust-lang/crates.io-index)", "ethash 0.9.99", "ethcore 0.9.99", "ethcore-util 0.9.99", @@ -258,7 +258,7 @@ dependencies = [ "arrayvec 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)", "bigint 0.1.0", "chrono 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)", - "clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)", + "clippy 0.0.49 (registry+https://github.com/rust-lang/crates.io-index)", "crossbeam 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", "elastic-array 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)", @@ -273,7 +273,7 @@ dependencies = [ "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)", "mio 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)", "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)", - "rocksdb 0.4.1 (git+https://github.com/arkpar/rust-rocksdb.git)", + "rocksdb 0.4.2 (git+https://github.com/arkpar/rust-rocksdb.git)", "rust-crypto 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)", "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)", "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)", @@ -290,7 +290,7 @@ dependencies = [ name = "ethsync" version = "0.9.99" dependencies = [ - "clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)", + "clippy 0.0.49 (registry+https://github.com/rust-lang/crates.io-index)", "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore 0.9.99", "ethcore-util 0.9.99", @@ -469,11 +469,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "librocksdb-sys" -version = "0.2.1" -source = "git+https://github.com/arkpar/rust-rocksdb.git#2156621f583bda95c1c07e89e79e4019f75158ee" +version = "0.2.2" +source = "git+https://github.com/arkpar/rust-rocksdb.git#a4f89fea20ee3ae92b692df65d56426a5c0b6fd5" dependencies = [ "libc 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)", - "pkg-config 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -597,11 +596,6 @@ name = "odds" version = "0.2.12" source = "registry+https://github.com/rust-lang/crates.io-index" -[[package]] -name = "pkg-config" -version = "0.3.7" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "primal" version = "0.2.3" @@ -697,11 +691,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "rocksdb" -version = "0.4.1" -source = "git+https://github.com/arkpar/rust-rocksdb.git#2156621f583bda95c1c07e89e79e4019f75158ee" +version = "0.4.2" +source = "git+https://github.com/arkpar/rust-rocksdb.git#a4f89fea20ee3ae92b692df65d56426a5c0b6fd5" dependencies = [ "libc 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)", - "librocksdb-sys 0.2.1 (git+https://github.com/arkpar/rust-rocksdb.git)", + "librocksdb-sys 0.2.2 (git+https://github.com/arkpar/rust-rocksdb.git)", ] [[package]] diff --git a/ethcore/src/extras.rs b/ethcore/src/extras.rs index f4759b040..a7c82c37c 100644 --- a/ethcore/src/extras.rs +++ b/ethcore/src/extras.rs @@ -35,13 +35,13 @@ pub enum ExtrasIndex { BlocksBlooms = 4, /// Block receipts index BlockReceipts = 5, -} +} /// trait used to write Extras data to db pub trait ExtrasWritable { /// Write extra data to db fn put_extras(&self, hash: &K, value: &T) where - T: ExtrasIndexable + Encodable, + T: ExtrasIndexable + Encodable, K: ExtrasSliceConvertable; } @@ -60,9 +60,9 @@ pub trait ExtrasReadable { impl ExtrasWritable for DBTransaction { fn put_extras(&self, hash: &K, value: &T) where - T: ExtrasIndexable + Encodable, + T: ExtrasIndexable + Encodable, K: ExtrasSliceConvertable { - + self.put(&hash.to_extras_slice(T::extras_index()), &encode(value)).unwrap() } } @@ -215,6 +215,12 @@ pub struct BlocksBlooms { pub blooms: [H2048; 16], } +impl Default for BlocksBlooms { + fn default() -> Self { + BlocksBlooms::new() + } +} + impl BlocksBlooms { pub fn new() -> Self { BlocksBlooms { blooms: unsafe { ::std::mem::zeroed() }} diff --git a/ethcore/src/lib.rs b/ethcore/src/lib.rs index 469364eb3..2209df7dc 100644 --- a/ethcore/src/lib.rs +++ b/ethcore/src/lib.rs @@ -25,6 +25,8 @@ #![cfg_attr(all(nightly, feature="dev"), allow(match_bool))] // Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref. #![cfg_attr(all(nightly, feature="dev"), allow(clone_on_copy))] +// In most cases it expresses function flow better +#![cfg_attr(all(nightly, feature="dev"), allow(if_not_else))] //! Ethcore library //! diff --git a/ethcore/src/substate.rs b/ethcore/src/substate.rs index 374397ca7..57e35ad2e 100644 --- a/ethcore/src/substate.rs +++ b/ethcore/src/substate.rs @@ -31,6 +31,12 @@ pub struct Substate { pub contracts_created: Vec
} +impl Default for Substate { + fn default() -> Self { + Substate::new() + } +} + impl Substate { /// Creates new substate. pub fn new() -> Self { @@ -67,8 +73,8 @@ mod tests { let mut sub_state = Substate::new(); sub_state.contracts_created.push(address_from_u64(1u64)); sub_state.logs.push(LogEntry { - address: address_from_u64(1u64), - topics: vec![], + address: address_from_u64(1u64), + topics: vec![], data: vec![] }); sub_state.sstore_clears_count = x!(5); @@ -77,8 +83,8 @@ mod tests { let mut sub_state_2 = Substate::new(); sub_state_2.contracts_created.push(address_from_u64(2u64)); sub_state_2.logs.push(LogEntry { - address: address_from_u64(1u64), - topics: vec![], + address: address_from_u64(1u64), + topics: vec![], data: vec![] }); sub_state_2.sstore_clears_count = x!(7); diff --git a/sync/src/chain.rs b/sync/src/chain.rs index da3908a1e..a22f23eb8 100644 --- a/sync/src/chain.rs +++ b/sync/src/chain.rs @@ -1307,7 +1307,7 @@ impl ChainSync { where T: Fn(&Address) -> U256 { let mut queue = self.transaction_queue.lock().unwrap(); - queue.add(transaction, fetch_nonce); + let _ = queue.add(transaction, fetch_nonce); } } diff --git a/sync/src/lib.rs b/sync/src/lib.rs index 3b79e5614..6cb98521e 100644 --- a/sync/src/lib.rs +++ b/sync/src/lib.rs @@ -17,9 +17,10 @@ #![warn(missing_docs)] #![cfg_attr(all(nightly, feature="dev"), feature(plugin))] #![cfg_attr(all(nightly, feature="dev"), plugin(clippy))] - // Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref. #![cfg_attr(all(nightly, feature="dev"), allow(clone_on_copy))] +// In most cases it expresses function flow better +#![cfg_attr(all(nightly, feature="dev"), allow(if_not_else))] //! Blockchain sync module //! Implements ethereum protocol version 63 as specified here: @@ -172,6 +173,7 @@ impl NetworkProtocolHandler for EthSync { self.sync.write().unwrap().maintain_sync(&mut NetSyncIo::new(io, self.chain.deref())); } + #[allow(single_match)] fn message(&self, io: &NetworkContext, message: &SyncMessage) { match *message { SyncMessage::NewChainBlocks { ref good, ref bad, ref retracted } => { diff --git a/sync/src/transaction_queue.rs b/sync/src/transaction_queue.rs index 243939a4c..45dc0e299 100644 --- a/sync/src/transaction_queue.rs +++ b/sync/src/transaction_queue.rs @@ -79,6 +79,7 @@ //! - When it's removed from `current` - all transactions from this sender (`current` & `future`) are recalculated. //! +use std::default::Default; use std::cmp::{Ordering}; use std::collections::{HashMap, BTreeSet}; use util::numbers::{Uint, U256}; @@ -102,6 +103,7 @@ struct TransactionOrder { hash: H256, } + impl TransactionOrder { fn for_transaction(tx: &VerifiedTransaction, base_nonce: U256) -> Self { TransactionOrder { @@ -253,6 +255,12 @@ pub struct TransactionQueue { last_nonces: HashMap, } +impl Default for TransactionQueue { + fn default() -> Self { + TransactionQueue::new() + } +} + impl TransactionQueue { /// Creates new instance of this Queue pub fn new() -> Self { diff --git a/util/src/keys/store.rs b/util/src/keys/store.rs index dcc165259..7e12703ea 100644 --- a/util/src/keys/store.rs +++ b/util/src/keys/store.rs @@ -78,9 +78,15 @@ struct AccountUnlock { expires: DateTime, } +impl Default for SecretStore { + fn default() -> Self { + SecretStore::new() + } +} + impl SecretStore { /// new instance of Secret Store in default home directory - pub fn new() -> SecretStore { + pub fn new() -> Self { let mut path = ::std::env::home_dir().expect("Failed to get home dir"); path.push(".parity"); path.push("keys"); @@ -89,7 +95,7 @@ impl SecretStore { } /// new instance of Secret Store in specific directory - pub fn new_in(path: &Path) -> SecretStore { + pub fn new_in(path: &Path) -> Self { SecretStore { directory: KeyDirectory::new(path), unlocks: RwLock::new(HashMap::new()), diff --git a/util/src/kvdb.rs b/util/src/kvdb.rs index a2fa2215a..df5c2c448 100644 --- a/util/src/kvdb.rs +++ b/util/src/kvdb.rs @@ -16,6 +16,7 @@ //! Key-Value store abstraction with RocksDB backend. +use std::default::Default; use rocksdb::{DB, Writable, WriteBatch, IteratorMode, DBVector, DBIterator, IndexType, Options, DBCompactionStyle, BlockBasedOptions, Direction}; @@ -24,6 +25,12 @@ pub struct DBTransaction { batch: WriteBatch, } +impl Default for DBTransaction { + fn default() -> Self { + DBTransaction::new() + } +} + impl DBTransaction { /// Create new transaction. pub fn new() -> DBTransaction { diff --git a/util/src/lib.rs b/util/src/lib.rs index 59d66a325..bdb4be6e4 100644 --- a/util/src/lib.rs +++ b/util/src/lib.rs @@ -27,6 +27,8 @@ #![cfg_attr(all(nightly, feature="dev"), allow(match_same_arms))] // Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref. #![cfg_attr(all(nightly, feature="dev"), allow(clone_on_copy))] +// In most cases it expresses function flow better +#![cfg_attr(all(nightly, feature="dev"), allow(if_not_else))] //! Ethcore-util library //! diff --git a/util/src/memorydb.rs b/util/src/memorydb.rs index 9cd018935..66fa32055 100644 --- a/util/src/memorydb.rs +++ b/util/src/memorydb.rs @@ -24,6 +24,7 @@ use hashdb::*; use heapsize::*; use std::mem; use std::collections::HashMap; +use std::default::Default; #[derive(Debug,Clone)] /// Reference-counted memory-based HashDB implementation. @@ -32,7 +33,7 @@ use std::collections::HashMap; /// with `kill()`, check for existance with `exists()` and lookup a hash to derive /// the data with `lookup()`. Clear with `clear()` and purge the portions of the data /// that have no references with `purge()`. -/// +/// /// # Example /// ```rust /// extern crate ethcore_util; @@ -74,6 +75,12 @@ pub struct MemoryDB { static_null_rlp: (Bytes, i32), } +impl Default for MemoryDB { + fn default() -> Self { + MemoryDB::new() + } +} + impl MemoryDB { /// Create a new instance of the memory DB. pub fn new() -> MemoryDB { @@ -133,7 +140,7 @@ impl MemoryDB { /// Denote than an existing value has the given key. Used when a key gets removed without /// a prior insert and thus has a negative reference with no value. - /// + /// /// May safely be called even if the key's value is known, in which case it will be a no-op. pub fn denote(&self, key: &H256, value: Bytes) -> &(Bytes, i32) { if self.raw(key) == None { diff --git a/util/src/network/discovery.rs b/util/src/network/discovery.rs index 644af22af..2e7c51cb0 100644 --- a/util/src/network/discovery.rs +++ b/util/src/network/discovery.rs @@ -19,6 +19,7 @@ use std::net::SocketAddr; use std::collections::{HashSet, HashMap, BTreeMap, VecDeque}; use std::mem; use std::cmp; +use std::default::Default; use mio::*; use mio::udp::*; use sha3::*; @@ -62,8 +63,14 @@ struct NodeBucket { nodes: VecDeque, //sorted by last active } +impl Default for NodeBucket { + fn default() -> Self { + NodeBucket::new() + } +} + impl NodeBucket { - fn new() -> NodeBucket { + fn new() -> Self { NodeBucket { nodes: VecDeque::new() } diff --git a/util/src/network/host.rs b/util/src/network/host.rs index 2d1af55ba..3db94131a 100644 --- a/util/src/network/host.rs +++ b/util/src/network/host.rs @@ -23,6 +23,7 @@ use std::ops::*; use std::cmp::min; use std::path::{Path, PathBuf}; use std::io::{Read, Write}; +use std::default::Default; use std::fs; use mio::*; use mio::tcp::*; @@ -75,9 +76,15 @@ pub struct NetworkConfiguration { pub ideal_peers: u32, } +impl Default for NetworkConfiguration { + fn default() -> Self { + NetworkConfiguration::new() + } +} + impl NetworkConfiguration { /// Create a new instance of default settings. - pub fn new() -> NetworkConfiguration { + pub fn new() -> Self { NetworkConfiguration { config_path: None, listen_address: None, diff --git a/util/src/panics.rs b/util/src/panics.rs index 70ce0bc33..ab25eae57 100644 --- a/util/src/panics.rs +++ b/util/src/panics.rs @@ -19,6 +19,7 @@ use std::thread; use std::ops::DerefMut; use std::sync::{Arc, Mutex}; +use std::default::Default; /// Thread-safe closure for handling possible panics pub trait OnPanicListener: Send + Sync + 'static { @@ -56,14 +57,20 @@ pub struct PanicHandler { listeners: Mutex>> } +impl Default for PanicHandler { + fn default() -> Self { + PanicHandler::new() + } +} + impl PanicHandler { /// Creates new `PanicHandler` wrapped in `Arc` - pub fn new_in_arc() -> Arc { + pub fn new_in_arc() -> Arc { Arc::new(Self::new()) } /// Creates new `PanicHandler` - pub fn new() -> PanicHandler { + pub fn new() -> Self { PanicHandler { listeners: Mutex::new(vec![]) } diff --git a/util/src/rlp/rlpstream.rs b/util/src/rlp/rlpstream.rs index ba70e7b2b..7bf3d3cdd 100644 --- a/util/src/rlp/rlpstream.rs +++ b/util/src/rlp/rlpstream.rs @@ -15,6 +15,7 @@ // along with Parity. If not, see . use std::ops::Deref; +use std::default::Default; use elastic_array::*; use rlp::bytes::{ToBytes, VecLike}; use rlp::{Stream, Encoder, Encodable}; @@ -44,6 +45,12 @@ pub struct RlpStream { finished_list: bool, } +impl Default for RlpStream { + fn default() -> Self { + RlpStream::new() + } +} + impl Stream for RlpStream { fn new() -> Self { RlpStream { @@ -190,8 +197,14 @@ struct BasicEncoder { bytes: ElasticArray1024, } +impl Default for BasicEncoder { + fn default() -> Self { + BasicEncoder::new() + } +} + impl BasicEncoder { - fn new() -> BasicEncoder { + fn new() -> Self { BasicEncoder { bytes: ElasticArray1024::new() } } @@ -222,7 +235,7 @@ impl Encoder for BasicEncoder { // just 0 0 => self.bytes.push(0x80u8), // byte is its own encoding if < 0x80 - 1 => { + 1 => { value.to_bytes(&mut self.bytes); let len = self.bytes.len(); let last_byte = self.bytes[len - 1]; diff --git a/util/src/table.rs b/util/src/table.rs index e41209608..5ba572289 100644 --- a/util/src/table.rs +++ b/util/src/table.rs @@ -16,6 +16,7 @@ //! A collection associating pair of keys (row and column) with a single value. +use std::default::Default; use std::hash::Hash; use std::collections::HashMap; @@ -30,11 +31,21 @@ pub struct Table map: HashMap>, } +impl Default for Table + where Row: Eq + Hash + Clone, + Col: Eq + Hash { + fn default() -> Self { + Table::new() + } +} + +// There is default but clippy does not detect it? +#[allow(new_without_default)] impl Table where Row: Eq + Hash + Clone, Col: Eq + Hash { /// Creates new Table - pub fn new() -> Table { + pub fn new() -> Self { Table { map: HashMap::new(), } diff --git a/util/src/trie/journal.rs b/util/src/trie/journal.rs index db16a313d..4ffd7cf5c 100644 --- a/util/src/trie/journal.rs +++ b/util/src/trie/journal.rs @@ -14,6 +14,7 @@ // You should have received a copy of the GNU General Public License // along with Parity. If not, see . +use std::default::Default; use sha3::*; use hash::H256; use bytes::*; @@ -39,6 +40,12 @@ pub struct Score { #[derive(Debug)] pub struct Journal (Vec); +impl Default for Journal { + fn default() -> Self { + Journal::new() + } +} + impl Journal { /// Create a new, empty, object. pub fn new() -> Journal { Journal(vec![]) }