Rename spawn -> boxed_clone

util/src/journaldb/archivedb.rs

@@ -128,7 +128,7 @@ impl HashDB for ArchiveDB {
 }
 
 impl JournalDB for ArchiveDB {
-	fn spawn(&self) -> Box<JournalDB> {
+	fn boxed_clone(&self) -> Box<JournalDB> {
 		Box::new(ArchiveDB {
 			overlay: self.overlay.clone(),
 			backing: self.backing.clone(),

util/src/journaldb/earlymergedb.rs

@@ -320,7 +320,7 @@ impl HashDB for EarlyMergeDB {
 }
 
 impl JournalDB for EarlyMergeDB {
-	fn spawn(&self) -> Box<JournalDB> {
+	fn boxed_clone(&self) -> Box<JournalDB> {
 		Box::new(EarlyMergeDB {
 			overlay: self.overlay.clone(),
 			backing: self.backing.clone(),

util/src/journaldb/overlayrecentdb.rs

@@ -197,7 +197,7 @@ impl OverlayRecentDB {
 }
 
 impl JournalDB for OverlayRecentDB {
-	fn spawn(&self) -> Box<JournalDB> {
+	fn boxed_clone(&self) -> Box<JournalDB> {
 		Box::new(self.clone())
 	}
 

util/src/journaldb/refcounteddb.rs

@@ -94,7 +94,7 @@ impl HashDB for RefCountedDB {
 }
 
 impl JournalDB for RefCountedDB {
-	fn spawn(&self) -> Box<JournalDB> {
+	fn boxed_clone(&self) -> Box<JournalDB> {
 		Box::new(RefCountedDB {
 			forward: self.forward.clone(),
 			backing: self.backing.clone(),

util/src/journaldb/traits.rs

@@ -23,7 +23,7 @@ use hashdb::*;
 /// exclusive actions.
 pub trait JournalDB : HashDB + Send + Sync {
 	/// Return a copy of ourself, in a box.
-	fn spawn(&self) -> Box<JournalDB>;
+	fn boxed_clone(&self) -> Box<JournalDB>;
 
 	/// Returns heap memory size used
 	fn mem_used(&self) -> usize;