coefficient_index()

std::optional< size_t > MayaFlux::Nodes::Network::DeriveOperator::coefficient_index ( std::string_view  param )

staticprivate

Definition at line 98 of file RelationOperators.cpp.

{
    if (param.size() < 2 || param.front() != 'c') {
        return std::nullopt;
    }
 
    size_t index {};
    const auto digits = param.substr(1);
    const auto [end, error] = std::from_chars(digits.data(), digits.data() + digits.size(), index);
    if (error != std::errc {} || end != digits.data() + digits.size()) {
        return std::nullopt;
    }
    return index;
}

References index.

Referenced by query_state(), and set_parameter().

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