问题描述
例如,字符串文字Hello"的类型是什么,const char[6]
或 const char*
?
For example, what is the type of the string literal "Hello", const char[6]
or const char*
?
推荐答案
字符串字面量 "Hello"
的类型是 "6 const
char 的数组
".
The type of the string literal "Hello"
is "array of 6 const
char
".
普通字符串文字和 UTF-8 字符串文字也称为窄字符串文字.窄字符串文字的类型为数组 n const char
",其中 n 是字符串的大小 [...]>
Ordinary string literals and UTF-8 string literals are also referred to as narrow string literals. A narrow string literal has type "array of n
const char
", where n is the size of the string [...]
但是,它可以通过数组到指针的转换转换为 const char*
.数组到指针的转换导致指向数组第一个元素的指针.
It can, however, be converted to a const char*
by array-to-pointer conversion. Array-to-pointer conversion results in a pointer to the first element of the array.
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