what type checking

Static Type--most programmers like it or hate it. Supporters boast that static types allow them to write cleaner and more reliable code, which cannot be done so well without them. Critics complain that static typing increases the complexity of the

Objective Speaking of C + + in the inheritance, polymorphism, virtual functions and other concepts, may be a lot of students have some understanding, but to say that really familiar with the students may not be a lot. In the recent process of

Introduction to C # 2.0 C # 2.0 introduces several language extensions, the most important of which, are generics, Anonymous Methods, iterators, and Partial Types. C#2.0 introduces several language extensions, generics, anonymous methods, iterators,

Twiter on the Python father (Guido van Rossum Of. Python dad seems to have been working on the static typing lately. / http Pan.baidu.com/s/1cfroxs (A recent PPT) There was a lot more on the blog. / http neopythonic.blogspot.com / Reply

In the 85. In the variant of basic and LotusScript, I mentioned variant variants in basic-style languages. Variant types are often used in lotusscript for a variety of reasons.1. The return type of a function cannot be declared as an array, and can

The real meaning of polymorphism is that the same operation works on different objects, and can produce different interpretations and different execution results. In other words, when sending the same message to different objects, the objects give

Today, we are excited to release a new version of the flow's delicacy, a JavaScript static type checker. Flow adds static type checking for JavaScript to improve development efficiency and code quality. More specifically, the benefits of static type

There are two styles of type conversion in C + +, a C-style, a C + + style.C-style: int a = int (2.33);C + + has four new cast operator,static_cast (VAR), Const_cast (Var), Reinterpret_cast (Var), Dynamic_cast (Var)Static_cast (Var) is used to

Type conversions for C + +: static_cast, dynamic_cast, reinterpret_cast, and Const_castUse the standard C + + type conversion characters: static_cast, dynamic_cast, reinterpret_cast, and const_cast.1 static_castUsage: static_cast (expression)The

Why enumeration types are requiredAll of the features in a programming language are designed to meet a certain need, and to achieve a certain purpose. It's not going to happen there.An enumeration can be used to hold the values of a set of

Take a note: from the Forum: http://bbs.csdn.net/topics/210039564Summarize all the cast functions in C + + (Const_cast,reinterpret_cast,static_cast,dynamic_cast)C-style (C-style) Forced transformation is as follows:(t) expression/cast expression to

Objective Use type conversions for standard C + +: static_cast, dynamic_cast, reinterpret_cast, and const_cast. Const_cast, the literal understanding is to go to the const attribute. Static_cast, the name of the understanding is static

Transferred from: http://www.cnblogs.com/chio/archive/2007/07/18/822389.htmlFirst review the C + + type conversions:C + + type conversions are divided into: implicit type conversions and explicit type conversions part 1th. Implicit type

Summary of four types of conversion characters in C + + reinterpret_castUsage:reinpreter_cast (expression)The reinterpret_cast operator modifies the operand type, but simply re-interprets the given object's bit model without a binary conversion,

A comment is a form of metadata that provides data that is not the program itself, and comments have no direct effect on the commented code.This article summarizes the use of annotations, the Java Platform (SE) predefined annotations, type

with a variable typed id , you can send it any known message and the compiler will not complain. with a variable typed nsobject * , you can only send it messages declared by nsobject (not methods of any subclass) or else it will generate a warning.

Document directory Declarative statement Type Lookup Different types of systems are transparent Type checking This book is intended for personal learning and knowledge sharing. The copyright of this book is owned by the original author. If

First, the article for the reasonBill again wrote the article for the reason ~ ~ Long to understand this problem, this is the C + + field is more difficult to fix a piece of knowledge, and recently in the design mode, there is involved in this piece,

Generics (Generic type or generics) are an extension of the Java language type system to support the creation of classes that can be parameterized by type. You can think of a type parameter as a placeholder for the type that you specify when you use

On the issue of coercion type conversion, many books have been discussed, the most detailed writing is the father of C + + "C + + Design and evolution." The best solution is not to use the C-style coercion type conversion, but instead use the