don't bind error when we're not pattern matching

Author: nuclearace

Source/SocketIO/Ack/SocketAckEmitter.swift

@@ -75,8 +75,8 @@ public final class SocketAckEmitter : NSObject {
 
         do {
             socket.emitAck(ackNum, with: try items.map({ try $0.socketRepresentation() }))
-        } catch let err {
-            socket.handleClientEvent(.error, data: [ackNum, items, err])
+        } catch {
+            socket.handleClientEvent(.error, data: [ackNum, items, error])
         }
     }
 

Source/SocketIO/Client/SocketIOClient.swift

@@ -214,11 +214,11 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
     open func emit(_ event: String, _ items: SocketData...) {
         do {
             try emit(event, with: items.map({ try $0.socketRepresentation() }))
-        } catch let err {
+        } catch {
             DefaultSocketLogger.Logger.error("Error creating socketRepresentation for emit: \(event), \(items)",
                                              type: logType)
 
-            handleClientEvent(.error, data: [event, items, err])
+            handleClientEvent(.error, data: [event, items, error])
         }
     }
 
@@ -253,11 +253,11 @@ open class SocketIOClient : NSObject, SocketIOClientSpec {
     open func emitWithAck(_ event: String, _ items: SocketData...) -> OnAckCallback {
         do {
             return emitWithAck(event, with: try items.map({ try $0.socketRepresentation() }))
-        } catch let err {
+        } catch {
             DefaultSocketLogger.Logger.error("Error creating socketRepresentation for emit: \(event), \(items)",
                                              type: logType)
 
-            handleClientEvent(.error, data: [event, items, err])
+            handleClientEvent(.error, data: [event, items, error])
 
             return OnAckCallback(ackNumber: -1, items: [], socket: self)
         }

Source/SocketIO/Client/SocketRawView.swift

@@ -48,11 +48,11 @@ public final class SocketRawView : NSObject {
     public func emit(_ event: String, _ items: SocketData...) {
         do {
             try emit(event, with: items.map({ try $0.socketRepresentation() }))
-        } catch let err {
+        } catch {
             DefaultSocketLogger.Logger.error("Error creating socketRepresentation for emit: \(event), \(items)",
                                              type: "SocketIOClient")
 
-            socket.handleClientEvent(.error, data: [event, items, err])
+            socket.handleClientEvent(.error, data: [event, items, error])
         }
     }
 
@@ -87,11 +87,11 @@ public final class SocketRawView : NSObject {
     public func emitWithAck(_ event: String, _ items: SocketData...) -> OnAckCallback {
         do {
             return emitWithAck(event, with: try items.map({ try $0.socketRepresentation() }))
-        } catch let err {
+        } catch {
             DefaultSocketLogger.Logger.error("Error creating socketRepresentation for emit: \(event), \(items)",
                                              type: "SocketIOClient")
 
-            socket.handleClientEvent(.error, data: [event, items, err])
+            socket.handleClientEvent(.error, data: [event, items, error])
 
             return OnAckCallback(ackNumber: -1, items: [], socket: socket)
         }
@@ -146,8 +146,8 @@ public final class SocketRawAckView : NSObject {
 
         do {
             socket.emit(try items.map({ try $0.socketRepresentation() }), ack: ackNum, binary: false, isAck: true)
-        } catch let err {
-            socket.handleClientEvent(.error, data: [ackNum, items, err])
+        } catch {
+            socket.handleClientEvent(.error, data: [ackNum, items, error])
         }
     }