“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...
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......
#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......
test.cc:6:22: error: read-only variable is not assignable void f() const { i = 0; } ~ ^ test.cc:6:8: note: method 'f' is declared const here void f() const { i = 0; } ~~~^~~~ test.cc:7:16: error: read-only variable is not assignable void g() ...
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; ...
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: ...
// 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; ...
error C4996: 'strcpy': This function or variable may be unsafe. error code 0x80040200 Error code 1329 - Logon failure: user not allowed to log on to this computer error code, returned from LoadLibrary() , is 7e error D8016: '/clr' and '/EHs' command-line options are incompatible err...