Rename ifCondition in For to test

Sources/Ast.swift

@@ -67,7 +67,7 @@ struct For: Statement {
     var iterable: Expression
     var body: [Statement]
     var defaultBlock: [Statement]
-    var ifCondition: Expression?
+    var test: Expression?
 }
 
 struct MemberExpression: Expression {

Sources/Parser.swift

@@ -505,10 +505,10 @@ func parse(tokens: [Token]) throws -> Program {
         try expect(type: .in, error: "Expected `in` keyword following loop variable")
         let iterable = try parseExpression()
         // Handle optional if condition for filtering
-        var ifCondition: Expression? = nil
+        var test: Expression? = nil
         if typeof(.if) {
             current += 1  // consume if token
-            ifCondition = try parseExpression()
+            test = try parseExpression()
         }
         try expect(type: .closeStatement, error: "Expected closing statement token")
         var body: [Statement] = []
@@ -530,7 +530,7 @@ func parse(tokens: [Token]) throws -> Program {
             iterable: iterable,
             body: body,
             defaultBlock: defaultBlock,
-            ifCondition: ifCondition
+            test: test
         )
     }
 

Sources/Runtime.swift

@@ -321,7 +321,7 @@ struct Interpreter {
                     throw JinjaError.runtime("Invalid loop variable(s): \(type(of: node.loopvar))")
                 }
                 // Evaluate the test before adding the item
-                if let test = test {
+                if let test {
                     try scopeUpdateFunction(loopScope)
                     let testValue = try self.evaluate(statement: test, environment: loopScope)
                     if !testValue.bool() {