CODEWITHSUNDEEP
c++
Morgan Kenyon
Morgan Kenyon

Reputation: 3172

Use istringstream without #include <sstream>

In class I've been tasked at writing a method for an already defined class, and cannot change class definitions, header files, or #include statements.

I need to split a string into different variables using this code, 

istringstream ss(line)
ss >> plu >> descp >> one >> price >> weight

How can I use istringstream when I cannot use #include < sstream>? Is there a way in c++ to directly call that method instead of #including it in the definitions?

I've tried,

istringstream::istringstream ss(line)
std::istringttream:istringstreeam ss(line)
std::istringstream ss(line)

And none of those compiled, I don't really know how including files works in C++.

Upvotes: 1

Views: 460

Answers (2)

LihO
LihO

Reputation: 42083

How can I use istringstream when I cannot use #include <sstream> ?

You can not.

Is there a way in c++ to directly call that method instead of #including it in the definitions?

If the definitions are not available, the compiler will not know what to do. It will not even know that the keywords that you are using refer to some types... istringstream will be an undefined identifier.

Upvotes: 1

Shoe
Shoe

Reputation: 76240

How can I use istringstream when I cannot use #include < sstream>? Is there a way in c++ to directly call that method instead of #including it in the definitions?

Without copy and pasting the declaration of the std::istringstream class from the <sstream> header file into your file there's no way the compiler can know how much size to allocate for ss. So I'd say: no, there's no easy workaround.

Upvotes: 3

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