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feat(MainDb): exec on SafeTransaction is now constexpr

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This commit is contained in:
Ronan Abhamon 2018-02-13 09:30:31 +01:00
parent cefa3cb85a
commit 68bb9a1224
1 changed files with 4 additions and 2 deletions
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6
src/db/main-db.cpp
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@ -120,14 +120,16 @@ public:
}
private:
// Exec function with no return type.
template<typename T>
typename std::enable_if<std::is_same<T, void>::value, bool>::type exec () const {
constexpr typename std::enable_if<std::is_same<T, void>::value, bool>::type exec () const {
mFunction();
return true;
}
// Exec function with return type.
template<typename T>
typename std::enable_if<!std::is_same<T, void>::value, T>::type exec () const {
constexpr typename std::enable_if<!std::is_same<T, void>::value, T>::type exec () const {
return mFunction();
}