File: wuss_pseudoknot_id.cpp

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seqan3 3.2.0%2Bds-6%2Bdeb12u1
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#include <seqan3/alphabet/structure/wuss.hpp>
#include <seqan3/core/debug_stream.hpp>

int main()
{
    using namespace seqan3::literals;

    auto pk_opt = '.'_wuss51.pseudoknot_id();   // std::optional -> false
    pk_opt = seqan3::pseudoknot_id('{'_wuss51); // std::optional -> true: 3

    if (pk_opt)
        seqan3::debug_stream << *pk_opt << '\n'; // 3
}