Katherine Miller

Compilation failure in VS2017

1

MSVC 14.16.27023 cannot find the unqualified `find_captures`. changing it to `::ctre::find_captures` seems to fix this. [build log excerpt](https://gist.github.com/Siapran/bbaedeb3357e21730f6970c7670d7215) code excerpt: ```cpp constexpr auto JOURNAL_PAGE_PATTERN = ctll::fixed_string{"^journal_(\\d+)$"}; using std::filesystem::path; std::optional matchJournalPage(path...

Add a keys() method to immer::map.

4

Looking at my code, I end up needing to pass around collections of the keys of maps, _without_ the values. Doing so right now is a O(n) operation, which is...

Use-after-move UB in lenses

2

Observed in [optional.hpp](https://github.com/arximboldi/lager/blob/master/lager/lenses/optional.hpp#L29), using `bind_opt` in a `lager::set` caused a use-after-move UB, resulting in a default constructed `whole` being written back.

Consider: ```cpp cursor collection = ...; reader identifier = ...; cursor element = with(collection, identifier).xform( zug::map([](vector vect, size_t index) -> T { return view(at(index), vect); }), lager::update([](tuple whole, T part)...

conn_mt:exec fails on BEGIN ... END blocks

2

https://github.com/stepelu/lua-ljsqlite3/blob/master/init.lua#L341 doesn't work on, for instance, [`CREATE TRIGGER` statements ](https://www.sqlite.org/lang_createtrigger.html), that require `BEGIN .. END` blocks this type of query works fine with [`sqlite3_exec`](https://www.sqlite.org/c3ref/exec.html)