Support typed errors. Misc formatting

Sources/DataStack+Observing.swift

@@ -37,8 +37,10 @@ extension DataStack {
      - parameter object: the `DynamicObject` to observe changes from
      - returns: an `ObjectMonitor` that monitors changes to `object`
      */
-    public func monitorObject<O: DynamicObject>(_ object: O) -> ObjectMonitor<O> {
-        
+    public func monitorObject<O: DynamicObject>(
+        _ object: O
+    ) -> ObjectMonitor<O> {
+
         Internals.assert(
             Thread.isMainThread,
             "Attempted to observe objects from \(Internals.typeName(self)) outside the main thread."
@@ -53,8 +55,11 @@ extension DataStack {
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      - returns: a `ListMonitor` instance that monitors changes to the list
      */
-    public func monitorList<O>(_ from: From<O>, _ fetchClauses: FetchClause...) -> ListMonitor<O> {
-        
+    public func monitorList<O>(
+        _ from: From<O>,
+        _ fetchClauses: FetchClause...
+    ) -> ListMonitor<O> {
+
         return self.monitorList(from, fetchClauses)
     }
     
@@ -65,8 +70,11 @@ extension DataStack {
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      - returns: a `ListMonitor` instance that monitors changes to the list
      */
-    public func monitorList<O>(_ from: From<O>, _ fetchClauses: [FetchClause]) -> ListMonitor<O> {
-        
+    public func monitorList<O>(
+        _ from: From<O>,
+        _ fetchClauses: [FetchClause]
+    ) -> ListMonitor<O> {
+
         Internals.assert(
             Thread.isMainThread,
             "Attempted to observe objects from \(Internals.typeName(self)) outside the main thread."
@@ -99,8 +107,10 @@ extension DataStack {
      - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
      - returns: a `ListMonitor` for a list of `DynamicObject`s that satisfy the specified `FetchChainableBuilderType`
      */
-    public func monitorList<B: FetchChainableBuilderType>(_ clauseChain: B) -> ListMonitor<B.ObjectType> {
-        
+    public func monitorList<B: FetchChainableBuilderType>(
+        _ clauseChain: B
+    ) -> ListMonitor<B.ObjectType> {
+
         return self.monitorList(
             clauseChain.from,
             clauseChain.fetchClauses
@@ -114,8 +124,12 @@ extension DataStack {
      - parameter from: a `From` clause indicating the entity type
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      */
-    public func monitorList<O>(createAsynchronously: @escaping (ListMonitor<O>) -> Void, _ from: From<O>, _ fetchClauses: FetchClause...) {
-        
+    public func monitorList<O>(
+        createAsynchronously: @escaping (ListMonitor<O>) -> Void,
+        _ from: From<O>,
+        _ fetchClauses: FetchClause...
+    ) {
+
         self.monitorList(
             createAsynchronously: createAsynchronously,
             from,
@@ -130,8 +144,12 @@ extension DataStack {
      - parameter from: a `From` clause indicating the entity type
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      */
-    public func monitorList<O>(createAsynchronously: @escaping (ListMonitor<O>) -> Void, _ from: From<O>, _ fetchClauses: [FetchClause])  {
-        
+    public func monitorList<O>(
+        createAsynchronously: @escaping (ListMonitor<O>) -> Void,
+        _ from: From<O>,
+        _ fetchClauses: [FetchClause]
+    )  {
+
         Internals.assert(
             Thread.isMainThread,
             "Attempted to observe objects from \(Internals.typeName(self)) outside the main thread."
@@ -169,8 +187,11 @@ extension DataStack {
      - parameter createAsynchronously: the closure that receives the created `ListMonitor` instance
      - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
      */
-    public func monitorList<B: FetchChainableBuilderType>(createAsynchronously: @escaping (ListMonitor<B.ObjectType>) -> Void, _ clauseChain: B) {
-        
+    public func monitorList<B: FetchChainableBuilderType>(
+        createAsynchronously: @escaping (ListMonitor<B.ObjectType>) -> Void,
+        _ clauseChain: B
+    ) {
+
         self.monitorList(
             createAsynchronously: createAsynchronously,
             clauseChain.from,
@@ -186,8 +207,12 @@ extension DataStack {
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      - returns: a `ListMonitor` instance that monitors changes to the list
      */
-    public func monitorSectionedList<O>(_ from: From<O>, _ sectionBy: SectionBy<O>, _ fetchClauses: FetchClause...) -> ListMonitor<O> {
-        
+    public func monitorSectionedList<O>(
+        _ from: From<O>,
+        _ sectionBy: SectionBy<O>,
+        _ fetchClauses: FetchClause...
+    ) -> ListMonitor<O> {
+
         return self.monitorSectionedList(
             from,
             sectionBy,
@@ -203,8 +228,12 @@ extension DataStack {
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      - returns: a `ListMonitor` instance that monitors changes to the list
      */
-    public func monitorSectionedList<O>(_ from: From<O>, _ sectionBy: SectionBy<O>, _ fetchClauses: [FetchClause]) -> ListMonitor<O> {
-        
+    public func monitorSectionedList<O>(
+        _ from: From<O>,
+        _ sectionBy: SectionBy<O>,
+        _ fetchClauses: [FetchClause]
+    ) -> ListMonitor<O> {
+
         Internals.assert(
             Thread.isMainThread,
             "Attempted to observe objects from \(Internals.typeName(self)) outside the main thread."
@@ -239,8 +268,10 @@ extension DataStack {
      - parameter clauseChain: a `SectionMonitorBuilderType` built from a chain of clauses
      - returns: a `ListMonitor` for a list of `DynamicObject`s that satisfy the specified `SectionMonitorBuilderType`
      */
-    public func monitorSectionedList<B: SectionMonitorBuilderType>(_ clauseChain: B) -> ListMonitor<B.ObjectType> {
-        
+    public func monitorSectionedList<B: SectionMonitorBuilderType>(
+        _ clauseChain: B
+    ) -> ListMonitor<B.ObjectType> {
+
         return self.monitorSectionedList(
             clauseChain.from,
             clauseChain.sectionBy,
@@ -256,8 +287,13 @@ extension DataStack {
      - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections.
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      */
-    public func monitorSectionedList<O>(createAsynchronously: @escaping (ListMonitor<O>) -> Void, _ from: From<O>, _ sectionBy: SectionBy<O>, _ fetchClauses: FetchClause...) {
-        
+    public func monitorSectionedList<O>(
+        createAsynchronously: @escaping (ListMonitor<O>) -> Void,
+        _ from: From<O>,
+        _ sectionBy: SectionBy<O>,
+        _ fetchClauses: FetchClause...
+    ) {
+
         self.monitorSectionedList(
             createAsynchronously: createAsynchronously,
             from,
@@ -274,8 +310,13 @@ extension DataStack {
      - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections.
      - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      */
-    public func monitorSectionedList<O>(createAsynchronously: @escaping (ListMonitor<O>) -> Void, _ from: From<O>, _ sectionBy: SectionBy<O>, _ fetchClauses: [FetchClause]) {
-        
+    public func monitorSectionedList<O>(
+        createAsynchronously: @escaping (ListMonitor<O>) -> Void,
+        _ from: From<O>,
+        _ sectionBy: SectionBy<O>,
+        _ fetchClauses: [FetchClause]
+    ) {
+
         Internals.assert(
             Thread.isMainThread,
             "Attempted to observe objects from \(Internals.typeName(self)) outside the main thread."
@@ -314,8 +355,11 @@ extension DataStack {
      - parameter createAsynchronously: the closure that receives the created `ListMonitor` instance
      - parameter clauseChain: a `SectionMonitorBuilderType` built from a chain of clauses
      */
-    public func monitorSectionedList<B: SectionMonitorBuilderType>(createAsynchronously: @escaping (ListMonitor<B.ObjectType>) -> Void, _ clauseChain: B) {
-        
+    public func monitorSectionedList<B: SectionMonitorBuilderType>(
+        createAsynchronously: @escaping (ListMonitor<B.ObjectType>) -> Void,
+        _ clauseChain: B
+    ) {
+
         self.monitorSectionedList(
             createAsynchronously: createAsynchronously,
             clauseChain.from,