beginner: no default constructor exists for class

[tight nacelle]

I don't know why but this is returning a no default constructor error. Just yesterday, it was working fine but now it's not.

class statistical_distribution {
public:
    std::vector<float> distribution;
    float mean_val;
    float standard_deviation_val;


    statistical_distribution(std::vector<float> x)
    {
        std::cout << "Constructing distribution\n";

        distribution = x;
        mean_val = mean(x);
        standard_deviation_val = standard_deviation(x);

    };

    virtual ~statistical_distribution() {
        std::cout << "Deconstructing distribution\n";
    };

    // Mean and Summation Formula

    std::tuple<float, size_t> summation(std::vector<float> i_vector) {...}

    float mean(std::vector<float> i_vector, bool sample = false) {...}

    // Standard deviation + Variance

    float variance(std::vector<float> i_vector, bool sample = false) {...}

    float standard_deviation(std::vector<float> i_vector) {...}

};


int main()
{
    std::vector<float> test_1 = {1,2,3,4,5,6,7,8,9,10};
    
    // error is here
    statistical_distribution(test_1);

    return 0;
}

[static chasm]

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[wise musk]

Your "construction" isn't a construction, it's a declaration

Make sure you give your variable names
type objName(constructorArgs)

What you have is equivalent to
statDist test_1;

[tight nacelle]

Thank you, so it's just me creating the object wrong and nothing wrong with the class constructor?

ohhhh

I get it

[wise musk]

I'm 90% sure

[tight nacelle]

sorry, coming from python so I think I just brain-dead on this part haha

Thanks for your help

uhh how do I resolve again

!solved

[static chasm]

Thank you and let us know if you have any more questions!

This thread is now set to auto-hide after an hour of inactivity

[tight nacelle]

I feel like trying to learn multiple languages is like writing with a different hand...

[wise musk]

I get the comparison, but I feel like it implies an inherit "dominant" hand/language.
I feel like it's more like learning a new language. Your intuitions from your native tongue will get in your way, but with practice, you can become fluent

[tight nacelle]

I appreciate the motivation. Sometimes, I feel like I'm not gaining any progression with C++, constantly having to refer back to old code I wrote to remember how to write something and always second-guessing whether what I'm writing is efficient or not

but the process in itself of learning things I never had to worry about before, like stack vs heap allocation, is very fun

[wise musk]

I do that with French and I LIVE in Quebec XD
Just keep at it, and give yourself grace :)