#include <algorithm>
#include <vector>

struct Foo { int member; };

int main()
{
    std::vector<Foo> c;

    [&] (const auto &entry) {
        return entry.  // OK, here is not enough context for completion of "member".
    };

    std::find_if(c.cbegin(), c.cend(), [&] (const auto &entry) {
        return entry. // ...but here is. Completion of "member" would be nice.
    });
}