ostream Questions
1
Solved
I'm trying to make a Vector3D class in my c++ application. For my entire program, I'm using a namespace. In this namespace I've declared my Vector3D class and an overloaded operator<< for it ...
Belgrade asked 7/10, 2011 at 22:41
2
Solved
Im currently anwsering exercise questions concerning operator overloading in C++. I have a question:
Create a simple class containing an int and overload the operator+ as a member function. Also p...
Whimwham asked 24/8, 2011 at 16:44
2
Solved
I am using an abstract class std::ostream. There is the following reference:
std::ostream &o = std::cout;
If any condition is met I need to initialize o so that the output will be redirecte...
2
Solved
I'm writing a C++ program and I need some help understanding an error.
By default, my program prints to the terminal (STDOUT). However, if the user provides a filename, the program will print to t...
3
Solved
It is well known that the user can define stream manipulators like this:
ostream& tab(ostream & output)
{
return output<< '\t';
}
And this can be used in main() like this:
cout&...
3
Solved
Possible Duplicate:
Implementing a no-op std::ostream
Is there any stream equivalent of NULL in c++? I want to write a function that takes in a stream if the user wants to have the in...
Lessielessing asked 5/6, 2011 at 4:8
3
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I'm currently using the very clever package boost::const_string until http://libcxx.llvm.org/ is available pre-packaged on Ubuntu or GCC make its __versa_string (in header ext/vstring.h) its defaul...
1
Solved
I have been doing research on creating my own ostream and along with that a streambuf to handle the buffer for my ostream. I actually have most of it working, I can insert (<<) into my stream...
6
Solved
I have to use a parser and writer in c++, i am trying to implement the functions, however i do not understand what a token is. one of my function/operations is to check to see if there are more tok...
4
Solved
Is there a way in C++ to check if an ostream object is cout or a ofstream object?
Something like:
ostream& output(ostream& out)
{
if (out == cout)
return out;
else
{
out << "so...
2
Solved
trying to get the operator to work, but throwing me bunch of errors:
my header file
template <unsigned short n>
class Vector {
public:
std::vector<float> coords;
Vector();
Vector(...
Anthology asked 12/3, 2011 at 18:18
2
Solved
I created a class Chromosome that ended up simply being a wrapper for vector with an ostream operator, so I've decided to typedef vector instead. However, I'm having trouble with the templated ostr...
5
Solved
The overloaded << works if I make it into an inline function. But how do I make it work in my case?
#include <iostream>
using namespace std;
template <class T>
T my_max(T a, T b)...
Grayback asked 11/1, 2011 at 16:45
3
Solved
In order to use cout as such : std::cout << myObject, why do I have to pass an ostream object? I thought that was an implicit parameter.
ostream &operator<<(ostream &out,...
Simoneaux asked 3/12, 2010 at 16:50
4
Solved
I have a homework assignment where the header file is provided to us, and is unchangeable. Im having trouble figuring out how to correctly use a "display" function, so here is the relevant code.
T...
Disport asked 18/11, 2010 at 16:26
2
Solved
Is there a way to set the "minimum" number of decimal places that a std::ostream will output?
For example, say I have two unknown double variables that I want to print (values added here for the s...
2
Solved
I have a class in C++ which takes an std::ostream as an argument in order to continuously output text (trace information). I need to get this text over to the Java side as efficiently as possible. ...
Coal asked 24/2, 2010 at 17:35
2
Solved
I tried the following code:
#include <iostream>
using std::cout;
using std::ostream;
class X
{
public:
friend ostream& operator<<(ostream &os, const X& obj)
{
cout <...
Obbard asked 1/3, 2010 at 10:58
3
Solved
I have a class with a bool data member that is not initialized by the constructor. If I do
cout << x.myBoolDataMember;
where x is an object of this class in which the bool has not been ini...
Prostyle asked 28/1, 2010 at 11:37
3
Solved
I am trying to use the map container in C++ in the following way: The Key is a string and the value is an object of type ofstream. My code looks as follows:
#include <string>
#include <io...
Knar asked 30/11, 2009 at 12:41
3
Solved
For educational purposes I want to create a ostream and stream buffer to do:
fix endians when doing << myVar;
store in a deque container instead of using std:cout or writing to a file
lo...
3
Solved
I have a C++ class MyObject and I want to be able to feed this data like I would to a osstream (but unlike a direct sstream, have the incoming data be formatted a special way). I can't seem to figu...
Complexioned asked 5/5, 2009 at 2:12
4
Solved
I am trying to create a c++ ostream for educational reasons. My test will be creating an ostream that acts like a ofstream would except instead of writing to a file it would write to a deque or vec...
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