Fix suffix incremental operator deprecation warnings

Author: SebastianOsinski

SQLite/Core/Statement.swift

@@ -272,7 +272,12 @@ extension Cursor : SequenceType {
     public func generate() -> AnyGenerator<Binding?> {
         var idx = 0
         return AnyGenerator {
-            idx >= self.columnCount ? Optional<Binding?>.None : self[idx++]
+            if idx >= self.columnCount {
+                return Optional<Binding?>.None
+            } else {
+                idx += 1
+                return self[idx - 1]
+            }
         }
     }
 

SQLite/Typed/Expression.swift

@@ -78,7 +78,15 @@ extension Expressible {
         let expressed = expression
         var idx = 0
         return expressed.template.characters.reduce("") { template, character in
-            return template + (character == "?" ? transcode(expressed.bindings[idx++]) : String(character))
+            let transcoded: String
+            
+            if character == "?" {
+                transcoded = transcode(expressed.bindings[idx])
+                idx += 1
+            } else {
+                transcoded = String(character)
+            }
+            return template + transcoded
         }
     }
 

SQLite/Typed/Query.swift

@@ -891,7 +891,7 @@ extension Connection {
                         let e = q.expression
                         var names = try self.prepare(e.template, e.bindings).columnNames.map { $0.quote() }
                         if namespace { names = names.map { "\(query.tableName().expression.template).\($0)" } }
-                        for name in names { columnNames[name] = idx++ }
+                        for name in names { columnNames[name] = idx; idx += 1 }
                     }
                 }
 
@@ -914,7 +914,8 @@ extension Connection {
                     continue
                 }
 
-                columnNames[each.expression.template] = idx++
+                columnNames[each.expression.template] = idx
+                idx += 1
             }
             return columnNames
         }()