typed_array_high_level.cpp

Create a typed_array object from a range.

Create a typed_array object from a range.The range can be a range of values or a range of nullable values.

 
// #include <sparrow/array/array_data.hpp>
 
 
/*void example_typed_array_of_floats(){
    using value_type = float;
    std::vector<value_type> data = {1.0f, 2.0f, 3.0f, 4.0f, 5.0f};
 
    // construct the array
    auto array = sparrow::typed_array<value_type>(data);
 
    // access the data
    for (auto i = 0; i < array.size(); ++i) {
 
        if (array[i].has_value()) {
            std::cout << array[i].value() << std::endl;
        } else {
           std::cout << "missing value" << std::endl;
        }
    }
}
 
 
void example_typed_array_of_strings(){
    using value_type = std::string;
    std::vector<std::string> data = {
        "one",
        "two",
        "three",
        "four",
        "five"
    };
 
    // construct the array
    auto array = sparrow::typed_array<value_type>(data);
 
    // access the data
    for (auto i = 0; i <array.size(); ++i) {
        if (array[i].has_value()) {
            auto  value = array[i].value();
            std::cout << std::string(value.begin(), value.end()) << std::endl;
        } else {
            std::cout << "missing value" << std::endl;
        }
    }
}
 
void example_typed_array_of_strings_from_nullables(){
 
    using value_type = std::string;
    using nullable_type = sparrow::nullable<value_type>;
 
    std::vector<nullable_type> data = {
        nullable_type("one"),
        nullable_type("two"),
        nullable_type(),
        nullable_type("four"),
        nullable_type("five")
    };
 
    // construct the array
    auto array = sparrow::typed_array<value_type>(data);
 
    // access the data
    for (auto i = 0; i <array.size(); ++i) {
        if (array[i].has_value()) {
            auto  value = array[i].value();
            std::cout << std::string(value.begin(), value.end()) << std::endl;
        } else {
            std::cout << "missing value" << std::endl;
        }
    }
}*/
int main()
{
    // example_typed_array_of_floats();
    // example_typed_array_of_strings();
    // example_typed_array_of_strings_from_nullables();
    return 0;
}