case value is not a constant expression 也就是switch case后面不支持变量,怎么解决呢?用常量当然可以,不过代码就变得不太友好了。 网上看到一条建议,很简单,不用switch case了,改用if else代替: if(unit==DT::UNIT_DEG){ if(gd>90) {gd=gd-180; } if(gd<-90) {gd=gd+180; } } if(unit==DT...
main.cpp:6:30: in 'constexpr' expansion of 'fmt::v8::basic_format_string<char, int&, int&>(f)' main.cpp:6:37: error: 'f' is not a constant expression 6 | const auto bar = fmt::format(f, args...); | ~~~^~~~ Why?Contributor vitaut commented ...
\.. \.. \example\example.cpp C:\Temp\spdlog\example\example.cpp(5): error C7595: 'a': call to immediate function is not a constant expression ninja: build stopped: subcommand failed. Build failed. Live at godbolt.ms This Bug makes it impossible to use the upcomming spdlog 2...
错误 Exception(fmt::format(fmt, std::forward<Args>(args)...), code)error: ‘fmt’ is not a constant expression 40 | : Exception(fmt::format(fmt, std::forward<Args>(args)...), code) | ~~~^~~~ 简而言之就是format的str用fmt::runtime包装一下,让编译器不要把这个变量当做编译时常量...
basic_string_view<char,std::char_traits<char>>>::_Basic_format_string': call to immediate function is not a constant expression C:\Program Files\Microsoft Visual Studio\2022\Preview\VC\Tools\MSVC\14.32.31326\include\format(2963): note: failure was caused by a read of a variable outside ...
triggers error C7595: ‘std::source_location::current’: call to immediate function is not a constant expression, but new auto([] { return std::source_location::current(); }()); can compile.C++web View timeline by All Posts (4) Solutions & workarounds (0) h...
import 'package:flutter/material.dart'; import 'package:flutter_basics_mu_01/plugin_use.dart'; // void main() { // // runApp(const MyApp()); // runApp(PluginUse) // } void main() => runApp(PluginUse()); class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(...
如果打开注释的那一块代码会报一个错误提醒Expression is not an integer constant expression GlogConfig.h中声明的pram(extern NSInteger const pram;)对外是一个全局不可变的一个变量. 我们在GlogConfig.m中对pram进行了初始值进行定义(const NSInteger pram = 0x11;),这里parm是一个局部常量不可变的. ...
百度试题 结果1 题目error C2058: constant expression is not integral 中文对照:(编译错误)常量表达式不是整数相关知识点: 试题来源: 解析 分析:一般是定义数组时数组长度不是整型常量 反馈 收藏
在下文中一共展示了ConstantExpressionPtr::isNull方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。 示例1: outputCPPImpl ▲点赞 7▼ voidParameterExpression::outputCPPImpl(CodeGenerator &cg, ...