AddAssign() [3/3]

static BinaryExpression System.Linq.Expressions.Expression< TDelegate >.AddAssign ( Expression< TDelegate > left, Expression< TDelegate > right, MethodInfo? method, LambdaExpression< TDelegate >? conversion )

inlinestaticinherited

Definition at line 1358 of file Expression.cs.

    {
        ExpressionUtils.RequiresCanRead(left, "left");
        RequiresCanWrite(left, "left");
        ExpressionUtils.RequiresCanRead(right, "right");
        if (method == null)
        {
            if (left.Type == right.Type && left.Type.IsArithmetic())
            {
                if (conversion != null)
                {
                    throw Error.ConversionIsNotSupportedForArithmeticTypes();
                }
                return new SimpleBinaryExpression(ExpressionType.AddAssign, left, right, left.Type);
            }
            return GetUserDefinedAssignOperatorOrThrow(ExpressionType.AddAssign, "op_Addition", left, right, conversion, liftToNull: true);
        }
        return GetMethodBasedAssignOperator(ExpressionType.AddAssign, left, right, method, conversion, liftToNull: true);
    }

References System.Linq.Expressions.Error.ConversionIsNotSupportedForArithmeticTypes(), System.Linq.Expressions.Expression< TDelegate >.GetMethodBasedAssignOperator(), System.Linq.Expressions.Expression< TDelegate >.GetUserDefinedAssignOperatorOrThrow(), System.Dynamic.Utils.ExpressionUtils.RequiresCanRead(), and System.Linq.Expressions.Expression< TDelegate >.RequiresCanWrite().