diff options
| author | Marc Mutz <marc.mutz@qt.io> | 2022-01-28 10:48:49 +0100 |
|---|---|---|
| committer | Marc Mutz <marc.mutz@qt.io> | 2022-01-30 10:11:46 +0100 |
| commit | 58e8ae5605abefd0f579586a890dc13fb381b2a3 (patch) | |
| tree | 755fca70d7e8b116fe59378ef3616244acf6c691 /src/corelib/tools/qflatmap_p.h | |
| parent | 2b617a29dca373b641e4dd19b78080fe9be47572 (diff) | |
QFlatMap: fix is_transparent detection
Add a level of indirection via void_t such that
struct is_transparent {};
works, and not just
using is_transparent = <unspecified>;
Pick-to: 6.3
Change-Id: I3ca2af6a07e6989dc95abc10fb2d0078a5269e5b
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
Diffstat (limited to 'src/corelib/tools/qflatmap_p.h')
| -rw-r--r-- | src/corelib/tools/qflatmap_p.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/tools/qflatmap_p.h b/src/corelib/tools/qflatmap_p.h index 512dfa4ae7..77864babc3 100644 --- a/src/corelib/tools/qflatmap_p.h +++ b/src/corelib/tools/qflatmap_p.h @@ -417,7 +417,7 @@ private: struct is_marked_transparent_type : std::false_type { }; template <class X> - struct is_marked_transparent_type<X, typename X::is_transparent> : std::true_type { }; + struct is_marked_transparent_type<X, std::void_t<typename X::is_transparent>> : std::true_type { }; template <class X> using is_marked_transparent = typename std::enable_if< |