C++ “conversion loses qualifiers” compile error

Question

I ran into an interesting problem while debugging SWIG typemaps today. Anyone care to enlighten me why Visual C++ 2008 throws a \"conversion loses qualifiers\" error when co

Answer 1

In following code,

friend ostream & operator<<(ostream & output, const List& other)
{
    for(int i=0;i

to remove compilation error "Conversion loses qualifiers", for parameter "const List& other", I changed both following called methods to const.

T* getData() const
{
    return data;
}

int length() const
{
    return lSize;
}