Function BuildBack

src/script/miniscript.h:1839–1848

/** BuildBack pops the last two elements off `constructed` and wraps them in the specified Fragment */
template<typename Key>
void BuildBack(const MiniscriptContext script_ctx, Fragment nt, std::vector<Node<Key>>& constructed, const bool reverse = false)
{
    Node<Key> child{std::move(constructed.back())};
    constructed.pop_back();
    if (reverse) {
        constructed.back() = Node<Key>{internal::NoDupCheck{}, script_ctx, nt, Vector(std::move(child), std::move(constructed.back()))};
    } else {
        constructed.back() = Node<Key>{internal::NoDupCheck{}, script_ctx, nt, Vector(std::move(constructed.back()), std::move(child))};
    }
}

/**
 * Parse a miniscript from its textual descriptor form.