https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79501
Bug ID: 79501
Summary: member deduction guide not recognized
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: richard-gccbugzilla at metafoo dot co.uk
Target Milestone: ---
struct X {
template<typename T> struct A {};
A() -> A<int>;
};
... results in:
<source>:3:10: error: ISO C++ forbids declaration of 'A' with no type
[-fpermissive]
A() -> A<int>;
^~~~~~
<source>:3:10: error: 'A' function with trailing return type not declared with
'auto' type specifier
... and ...
struct X {
template<typename T> struct A {};
template<typename T> A() -> A<int>;
};
... results in:
<source>:3:24: error: deduction guide 'X::A() -> X::A<int>' must be declared at
namespace scope
