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struct stg
{
		struct cvt { const char* p; cvt(const char* p_p) : p(p_p) {} };
 
        stg(cvt c_str);
 
        template<int N>
        stg(const char (&str) [N]);
};
 
 
int main() {
        const char* c_str = "foo";
        stg foo(c_str);      // ok will call string(const char*)
 
        stg bar("bar");      // call string(const char*) instead of the array version
}

/home/zb6Qr4/cciU8Nd6.o: In function `main':
prog.cpp:(.text.startup+0x19): undefined reference to `stg::stg(stg::cvt)'
prog.cpp:(.text.startup+0x2d): undefined reference to `stg::stg<4>(char const (&) [4])'
collect2: error: ld returned 1 exit status

Standard output is empty