https://bugs.llvm.org/show_bug.cgi?id=39871
Bug ID: 39871
Summary: std::tuple_size should be a struct
Product: libc++
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Currently `std::tuple_size` is declared as `class tuple_size`. According to the
C++ standard, `tuple_size` is a `struct`
(http://eel.is/c++draft/tuple.helper#lib:tuple_size).
This creates portability problems between libcxx and libstdc++, which correctly
declares it as a `struct`. Currently using either will result in
`-Wmismatched-tags`.
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