“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...
+ static_const_field = 4; // expected-error{{read-only variable is not assignable}} + } + void test_const() const { // expected-note 2{{method 'test_const' is declared const here}} + field = 4; // expected-error{{read-only variable is not assignable}} + const_field =4 ; /...
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
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// 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: ...
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...
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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...