Fixing some clippy warnings

util/src/common.rs

@@ -33,6 +33,13 @@ macro_rules! vec_into {
 	}
 }
 
+#[macro_export]
+macro_rules! slice_into {
+	( $( $x:expr ),* ) => {
+		&[ $( $x.into() ),* ]
+	}
+}
+
 #[macro_export]
 macro_rules! hash_map {
 	() => { HashMap::new() };

util/src/journaldb/archivedb.rs

@@ -236,7 +236,6 @@ mod tests {
 
 	use common::*;
 	use super::*;
-	use hashdb::*;
 	use journaldb::traits::JournalDB;
 	use kvdb::Database;
 

util/src/journaldb/earlymergedb.rs

@@ -556,7 +556,6 @@ mod tests {
 	use common::*;
 	use super::*;
 	use super::super::traits::JournalDB;
-	use hashdb::*;
 	use log::init_log;
 	use kvdb::{Database, DatabaseConfig};
 

util/src/journaldb/overlayrecentdb.rs

@@ -422,7 +422,6 @@ mod tests {
 
 	use common::*;
 	use super::*;
-	use hashdb::*;
 	use log::init_log;
 	use journaldb::JournalDB;
 	use kvdb::Database;

util/src/journaldb/refcounteddb.rs

@@ -217,7 +217,6 @@ mod tests {
 	use common::*;
 	use super::*;
 	use super::super::traits::JournalDB;
-	use hashdb::*;
 
 	#[test]
 	fn long_history() {

util/src/kvdb.rs

@@ -628,7 +628,6 @@ impl Drop for Database {
 
 #[cfg(test)]
 mod tests {
-	use hash::*;
 	use super::*;
 	use devtools::*;
 	use std::str::FromStr;

util/src/stats.rs

@@ -67,7 +67,7 @@ mod tests {
 
 	#[test]
 	fn check_histogram() {
-		let hist = Histogram::new(&vec_into![643,689,1408,2000,2296,2512,4250,4320,4842,4958,5804,6065,6098,6354,7002,7145,7845,8589,8593,8895], 5).unwrap();
+		let hist = Histogram::new(slice_into![643,689,1408,2000,2296,2512,4250,4320,4842,4958,5804,6065,6098,6354,7002,7145,7845,8589,8593,8895], 5).unwrap();
 		let correct_bounds: Vec<U256> = vec_into![643, 2294, 3945, 5596, 7247, 8898];
 		assert_eq!(Histogram { bucket_bounds: correct_bounds, counts: vec![4,2,4,6,4] }, hist);
 	}
@@ -75,7 +75,7 @@ mod tests {
 	#[test]
 	fn smaller_data_range_than_bucket_range() {
 		assert_eq!(
-			Histogram::new(&vec_into![1, 2, 2], 3),
+			Histogram::new(slice_into![1, 2, 2], 3),
 			Some(Histogram { bucket_bounds: vec_into![1, 2, 3, 4], counts: vec![1, 2, 0] })
 		);
 	}
@@ -83,7 +83,7 @@ mod tests {
 	#[test]
 	fn data_range_is_not_multiple_of_bucket_range() {
 		assert_eq!(
-			Histogram::new(&vec_into![1, 2, 5], 2),
+			Histogram::new(slice_into![1, 2, 5], 2),
 			Some(Histogram { bucket_bounds: vec_into![1, 4, 7], counts: vec![2, 1] })
 		);
 	}
@@ -91,13 +91,13 @@ mod tests {
 	#[test]
 	fn data_range_is_multiple_of_bucket_range() {
 		assert_eq!(
-			Histogram::new(&vec_into![1, 2, 6], 2),
+			Histogram::new(slice_into![1, 2, 6], 2),
 			Some(Histogram { bucket_bounds: vec_into![1, 4, 7], counts: vec![2, 1] })
 		);
 	}
 
 	#[test]
 	fn none_when_too_few_data() {
-		assert!(Histogram::new(&vec_into![], 1).is_none());
+		assert!(Histogram::new(slice_into![], 1).is_none());
 	}
 }