“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
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...
#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......
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
test.cc:2:14: error: read-only variable is not assignable void f() { k = 0; } ~ ^ test.cc:1:11: note: variable 'k' is declared here with type 'const int' which is const const int k = 1; ~~~^~~~ test.cc:6:22: error: read-only variable is not assignable void...
Bug Report 🔎 Search Terms Type 'null' is not assignable to type 'Readonly' 🕗 Version & Regression Information This is the behavior in every version I tried, and I reviewed the FAQ for entries about null, unknown, and readonly. I used the...
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: ...
// Variable 'x' is used before being assigned.(2454) console.log(2 * x); // Error function initialize() { x = 10; } 1. 2. 3. 4. 5. 6. 7. 8. 很明显该异常信息是说变量 x 在赋值前被使用了,要解决该问题,我们可以使用确定赋值断言: ...
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A ref or out argument must be an assignable variable A route named ' ' could not be found in the route collection. Parameter name: name A socket operation encountered a dead network A TCP error (10013: An attempt was made to access a socket in a way forbidden by its access permissions...