Swiftlint fixes

Author: tevelee

Examples/AttributedStringExample/Sources/AttributedStringExample/TemplateExample.swift

@@ -9,9 +9,9 @@ public class AttributedStringTemplateInterpreter: TemplateInterpreter<NSAttribut
 
     override public func evaluate(_ expression: String, context: Context = Context()) -> NSAttributedString {
         return evaluate(expression, context: context, reducer: (initialValue: NSAttributedString(), reduceValue: { existing, next in
-            return existing.appending(next)
+            existing.appending(next)
         }, reduceCharacter: { existing, next in
-            return existing.appending(NSAttributedString(string: String(next)))
+            existing.appending(NSAttributedString(string: String(next)))
         }))
     }
 }

Examples/TemplateExample/Sources/TemplateExample/TemplateExample.swift

@@ -428,7 +428,7 @@ public class StandardLibrary {
 
     public static var arrayType: DataType<[CustomStringConvertible]> {
         let arrayLiteral = literal(opening: "[", closing: "]") { input, interpreter -> [CustomStringConvertible]? in
-            return input
+            input
                 .split(separator: ",")
                 .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
                 .map { interpreter.evaluate(String($0)) as? CustomStringConvertible ?? String($0) }
@@ -929,13 +929,13 @@ public class StandardLibrary {
 
     public static var loopIsFirst: Function<Bool?> {
         return Function([Variable<Any>("value"), Keyword("is first")]) { _, _, context in
-            return context.variables["__first"] as? Bool
+            context.variables["__first"] as? Bool
         }
     }
 
     public static var loopIsLast: Function<Bool?> {
         return Function([Variable<Any>("value"), Keyword("is last")]) { _, _, context in
-            return context.variables["__last"] as? Bool
+            context.variables["__last"] as? Bool
         }
     }
 
@@ -977,7 +977,7 @@ public class StandardLibrary {
 
     public static var dictionaryKeys: Function<[String]> {
         return objectFunction("keys") { (object: [String: Any?]) -> [String] in
-            return object.keys.sorted()
+            object.keys.sorted()
         }
     }
 

Sources/Eval/Utilities/Pattern.swift

@@ -104,7 +104,7 @@ public class Pattern<T, I: Interpreter> {
         let processor = VariableProcessor(interpreter: interpreter, context: context)
         let matcher = Matcher(elements: elements, processor: processor, options: options)
         let result = matcher.match(string: string, from: start) { variables in
-            return self.matcher(variables, interpreter, context)
+            self.matcher(variables, interpreter, context)
         }
 
         if case let .exactMatch(_, output, variables) = result {

Tests/EvalTests/IntegrationTests/TemplateTests.swift

@@ -39,7 +39,7 @@ class TemplateTests: XCTestCase {
         let interpreter = TypedInterpreter(dataTypes: [numberDataType(), stringDataType(), booleanDataType()], functions: [parenthesis, lessThan], context: Context())
 
         let braces = Pattern<String, TemplateInterpreter<String>>([OpenKeyword("("), TemplateVariable("body"), CloseKeyword(")")]) { variables, _, _ -> String? in
-            return variables["body"] as? String
+            variables["body"] as? String
         }
         let ifStatement = Pattern<String, TemplateInterpreter<String>>([OpenKeyword("{% if"), Variable<Bool>("condition"), Keyword("%}"), TemplateVariable("body"), CloseKeyword("{% endif %}")]) { variables, _, _ -> String? in
             guard let condition = variables["condition"] as? Bool, let body = variables["body"] as? String else { return nil }