IronPython.Compiler.Ast.OrExpression.Reduce C# (CSharp) Метод

        public override MSAst.Expression Reduce() {
            MSAst.Expression left = _left;
            MSAst.Expression right = _right;

            Type t = Type;
            MSAst.ParameterExpression tmp = Ast.Variable(t, "__all__");

            return Ast.Block(
                new[] { tmp },
                Ast.Condition(
                    GlobalParent.Convert(
                        typeof(bool),
                        ConversionResultKind.ExplicitCast,
                        Ast.Assign(
                            tmp,
                            AstUtils.Convert(
                                left,
                                t
                            )
                        )
                    ),
                    tmp,
                    AstUtils.Convert(
                        right,
                        t
                    )
                )
            );
        }