https://llvm.org/bugs/show_bug.cgi?id=23904
Bug ID: 23904
Summary: Clang cannot deduce the template parameter when
function parameter type is reference to array and
template argument is braced-init-list
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Clang cannot deduce the template parameter when function template's parameter
type is reference to array and template argument is braced-init-list.
void f( int (&&a)[3] ) { }
template < typename T, std::size_t N >
void g( T (&&a)[N] ) { }
template < typename T, std::size_t N >
void h( const T (&a)[N] ) { }
int main()
{
// GCC and Clang accept it
f( {1,2,3} ) ;
// GCC accept it
// Clang reject it
// couldn't infer template argument 'T'(and 'N' too)
g( {1,2,3} ) ;
h( {1,2,3} ) ;
}
I think GCC is right on here so template parameters can be deduced.
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