Concept definition

template<typename C, typename U>
concept StormByte::Type::HasSubscript =  Container<C> && requires(C& c, U const& u) {
            { c[u] };
        }

Detailed Description

StormByte::Type::Container that supports operator[] with key/index U.

Template Parameters

C	Container type as written (no cv/ref strip — historical).
U	Key or index type passed to `operator[]`.

U is the caller's index or key (std::size_t, int, StormByte::Size, …).

static_assert(Type::HasSubscript<std::vector<int>, std::size_t>);

static_assert(Type::HasSubscript<std::map<int, int>, int>);