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  1.     template<typename T> class X {};
  2.  
  3.     int main ()
  4.     {
  5.       class A;  // line-1
  6.       void foo();  // line-2
  7.       X<A> vA;
  8.     }
  9.     class A {};
  10.     void foo() {}
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:7: error: template argument for ‘template<class T> class X’ uses local type ‘main()::A’
prog.cpp:7: error:   trying to instantiate ‘template<class T> class X’
prog.cpp:7: error: invalid type in declaration before ‘;’ token
prog.cpp:7: warning: unused variable ‘vA’
stdout
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Standard output is empty
https://ideone.com/fksYD
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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