Revert "Use C++11 decltype where possible"
This reverts commit 0d81443e.
It breaks WebKit and GJS, so should be reverted for now. These changes may be reintroduced if a solution can be found for the breakage.
This reverts commit 0d81443e.
It breaks WebKit and GJS, so should be reverted for now. These changes may be reintroduced if a solution can be found for the breakage.