public static int main (string[] args) {
string str = "This is hardly rocket science, this is quantum physics!";
unowned string? pos = str.rstr_len (str.length, "science");
// Output: ``science, this is quantum physics!``
print ("%s\n", pos);
return 0;
}
valac --pkg glib-2.0 string.rstr_len.vala