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| author | Stanislaw Halik <sthalik@misaki.pl> | 2018-04-05 20:19:29 +0200 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2018-04-05 20:19:29 +0200 |
| commit | 12a3a38bb716734f31913ccc295a8b884a490136 (patch) | |
| tree | d66702b3b1dfcdc3bc5b233e4772a0525c6949b1 /options/value-traits.hpp | |
| parent | a17f3168cc68574369f1b669fe1b4118e4843525 (diff) | |
options/value-traits: add missing pragma once
Diffstat (limited to 'options/value-traits.hpp')
| -rw-r--r-- | options/value-traits.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/options/value-traits.hpp b/options/value-traits.hpp index ac5f6e5c..680f138c 100644 --- a/options/value-traits.hpp +++ b/options/value-traits.hpp @@ -1,3 +1,5 @@ +#pragma once + #include "export.hpp" #include "slider.hpp" @@ -12,6 +14,8 @@ namespace detail { template<typename t, typename u = t, typename Enable = void> struct default_value_traits { + virtual ~default_value_traits() = default; + using element_type = std::decay_t<t>; using value_type = std::decay_t<u>; |