Fix bunch of warnings

Sources/Extension.swift

@@ -36,7 +36,7 @@ open class Extension {
 
   /// Registers a template filter with the given name
   public func registerFilter(_ name: String, filter: @escaping (Any?, [Any?]) throws -> Any?) {
-    filters[name] = .arguments({ value, args, _ in try filter(value, args) })
+    filters[name] = .arguments { value, args, _ in try filter(value, args) }
   }
 
   /// Registers a template filter with the given name

Sources/Inheritence.swift

@@ -35,10 +35,8 @@ class BlockContext {
 
 extension Collection {
   func any(_ closure: (Iterator.Element) -> Bool) -> Iterator.Element? {
-    for element in self {
-      if closure(element) {
-        return element
-      }
+    for element in self where closure(element) {
+      return element
     }
 
     return nil

Sources/Parser.swift

@@ -1,5 +1,5 @@
 public func until(_ tags: [String]) -> ((TokenParser, Token) -> Bool) {
-  return { parser, token in
+  return { _, token in
     if let name = token.components.first {
       for tag in tags where name == tag {
         return true

Sources/Variable.swift

@@ -48,7 +48,8 @@ public struct Variable: Equatable, Resolvable {
 
   /// Resolve the variable in the given context
   public func resolve(_ context: Context) throws -> Any? {
-    if variable.count > 1 && ((variable.hasPrefix("'") && variable.hasSuffix("'")) || (variable.hasPrefix("\"") && variable.hasSuffix("\""))) {
+    if variable.count > 1 &&
+      ((variable.hasPrefix("'") && variable.hasSuffix("'")) || (variable.hasPrefix("\"") && variable.hasSuffix("\""))) {
       // String literal
       return String(variable[variable.index(after: variable.startIndex) ..< variable.index(before: variable.endIndex)])
     }