1, the problem description
If the defined function has a return value, the following description of the function call is incorrect (D)A the function call can exist as a separate statementB) function calls can be as arguments to a functionC)
The best example of variable-length argument lists function is printf ()
The proper declaration for printf () is
Int printf (char * format ,...)
Where the declaration... means that the number and types of these arguments may vary. The
I. Expansion of the class1. As long as you expand the prototype class, you can dynamically update to the instance. For example: xxx.prototype.do = function () {//...};2. It is not recommended to use contaminated JavaScript methods , such as:
Focus:1. Each time the function is called, its formal parameters are recreated and the parameters are initialized with the passed-in arguments.Note: the mechanism of formal parameter initialization is the same as the initialization of variables. 2.
1 type conversions and template arguments1) Conversions only: const conversion, array and function-to-pointer conversionsNote: Different sizes of the same element types are different types2) The same argument type must be the same for the same
Formal parameters: All called "formal arguments" are parameters that are used when defining function names and body functions in order to receive the arguments that call the function Shishung.Arguments: All called "actual arguments" are arguments
9.1 Optional parameters and named parameters
Class program { private static int s_n = 0; private static void M (int x = 9, string s = "A", datetime dt = Default (DateTime), GUID guid = new GUID ()) { Consol
"Reprint" Demonstrates why Chinese is the most advanced language in the world from the perspective of information theory – citing multiple experimental dataChinese Computer Application Research Group (pseudonym: Cold philosophy?) ) I. Criteria for
Variable parameter lists can be implemented with macros defined in the Stdarg.h header file, which is part of the standard library. This header file declares a type va_list and three macros----Va_start,va_arg,va_end. You can declare a variable of
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.