“read-only variable is not assignable”这个错误意味着你尝试修改了一个只读变量的值,但由于该变量被标记为只读,因此不允许进行赋值操作。下面我将详细解释这个错误的含义、可能导致此错误出现的场景,以及解决此错误的方法或建议。 1. 错误含义 “read-only variable is not assignable”错误表明你在代码中尝试给一...
#include <set> #include <iostream> using namespace std; struct test { int data[3]; }; int main(void) { test t1; set<test> s; s.insert(t1); s.begin()->data[0] = 1;//此处赋值报错:read-only variable is not assignable return 0; }应该是set内部的问题吧?求高人解释,非常感谢......
1、定义的时候直接用字符串赋值 char a[10]=”hello”; 注意：不能先定义再给它赋值，如char a...
+ field = 4; // expected-error{{read-only variable is not assignable}} + const_field =4 ; // expected-error{{read-only variable is not assignable}} + static_const_field = 4; // expected-error{{read-only variable is not assignable}} + } +}; + +const int &return_const_ref();...
first part is the header and the other is the class the class i'm receiving a error message GradeBook.cpp:48:19: error: read-only variable is not assignable numberCredits = x; see underline 1 2 3 4 5 6 7 8 9 10 11 12
Type error: Type 'null' is not assignable to type 'Readonly' 🙂 Expected behavior No error. Null is readonly and should be assignable to unknown. Assignments thatdowork: const a: Readonly<null> = null; const a: unknown = null; ...
// Type 'undefined' is not assignable to type 'string'. const onlyString: string = maybeString; // Error const ignoreUndefinedAndNull: string = maybeString!; // Ok } 1. 2. 3. 4. 5. 6. 2. 调用函数时忽略 undefined 类型 type NumGenerator = () => number; ...
Version 3.2.0-beta.4 Reproduction link https://sfc.vuejs.org Steps to reproduce const object = ref({ count: 1 }); typeof readonly(object); const variable = ref(1); typeof readonly(variable); What is expected? const object = ref({ count: ...
allowing a textbox to only enter date alternative to session variable An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons) An attempt was made to set a rep...
A page can have only one server-side Form tag error message when i try and use a web user control in my master page A potentially dangerous request.form was detected from the client A ref or out argument must be an assignable variable A route named ' ' could not be found in the rout...