RuntimeException' with message 'Unable to read from stream' in D:\upupw\UPUPW_NP5.6\htdocs\xiaokeai\phpcmscos-php-sdk-v5\vendor\guzzlehttp\psr7\src\Stream.php:226 Stack trace: #0 D:\upupw\UPUPW_NP5.6\htdocs\xiaokeai\phpcmsGuzzleHttp\Handler\{closure}(Resource id #22,
我不明白,在我看来,对f的调用是完全明确的,但是它不能用expected primary-expression before ‘int’编译。如果我用对f的调用注释掉这行,它编译得很好。struct A { void f() { }struct B : A<T> { this->f<int>();};