inheritance.cpp

#include <iostream>
using namespace std;

struct Base {
    void f() {
        cout << "base" << endl;
    }

    void g() {
        f();
    }
};

struct Child: public Base {
    void f() {
        cout << "child" << endl;
    }
};


int main() {
    Child x;
    x.g();
    return 0;
}

//output: base

inheritance.nim

type
    TBase = object of TObject
    TChild = object of TBase

proc f(self: var TBase) =
    echo "base"

proc g(self: var TBase) =
    self.f()

proc f(self: var TChild) =
    echo "child"

var x: TChild

x.g()

#output: base