c type conversion rules

1. Integer PromotionIn an expression, any place where an int or unsigned int type can be used to do the right value can also use a signed or non - the char, short, and Bit-field symbols. If the value range of the original type can be represented by

C ++ forced type conversion and forced type conversion The forced Type conversion (Type Cast) of the C style is very simple. No matter what Type conversion is:   TYPE B = (TYPE) The C ++ style type conversion provides four types of conversion

Abstract LinuxC programming one-stop learning 3.1 Integer Promotion In an expression, you can use signed or unsigned char, short, and Bit-field characters to make the right value of the int or unsigned int type. If the value range of the original

Valid tive C # item3 prefer the is or as operators to casts.Principle 3: select the is or as operator instead of forced type conversion. C # is a strong data type language. Good programming practices mean that we should do our best to avoid forced

C ++ BASICS (1) data precision, forced type conversion, variable naming rules, and pig naming rulesPig C ++ BASICS (1) KEYWORDS: data precision, forced type conversion, variable naming rules Summary: 1. Most programming languages further supplement

Document directory Strong and weak language Implicit conversion New Forced type conversion method C # Forced type conversion Strong and weak language Mainstream programming languages such as C ++, C, Java, and C # are strongly typed, while

C-style forced type conversion (type cast) is simple, no matter what type of conversion is:Type B = (type) aC + + Style type conversion provides 4 types of conversion operators to handle applications in different situations.　　const_cast, the literal

The purpose of forced type conversion in C language, the basic format, the essential meaning of variables in C, and the essence of Variables C forced type conversion Reading directory: 1. Purpose and basic format of forced type conversion Ii.

Obtain the Data Type: to view the value and type of an expression, use var_dump (). If you just want to get an easy-to-understand expression of the type for debugging, use gettype (). To view a type, use the is_type () function instead of gettype. ■

Last time I said something about the expression, and there are some things about data type conversions, today we go on to 818 data type conversions in C + +.One, implicit type conversionIn expressions, some operators can manipulate multiple types of