Function has_backend_in_string

src/CoolProp.cpp:108–111

Return true if the string has "BACKEND::*" format where * signifies a wildcard

// Return true if the string has "BACKEND::*" format where * signifies a wildcard
bool has_backend_in_string(const std::string& fluid_string, std::size_t& i) {
    i = fluid_string.find("::");
    return i != std::string::npos;
}

void extract_backend(std::string fluid_string, std::string& backend, std::string& fluid) {
    std::size_t i = 0;