Error when inserting string << overload C++
===

I am trying to overload the << operator on a class in C++. Whenever I insert a normal string, like the " " into the output stream I get compilation errors that I cannot make sense of. I have done this once before with no problems, so I am very confused.

	friend std::ostream& operator<<(std::ostream& out, Variable v);

    std::ostream& operator<<(std::ostream& out, Variable v) {
      	out << v.type;
     	out << " ";
     	out << v.name;
     	return out;
    }
And here is the output:

    src/Variable.cpp: In function 'std::ostream& operator<<(std::ostream&, Variable)':
    src/Variable.cpp:35:9: error: no match for 'operator<<' in 'out << " "'
    src/Variable.cpp:35:9: note: candidates are:
    src/Variable.cpp:33:15: note: std::ostream& operator<<(std::ostream&, Variable)
    src/Variable.cpp:33:15: note:   no known conversion for argument 2 from 'const char [2]' to 'Variable'
    In file included from /usr/local/Cellar/gcc/4.7.0/gcc/lib/gcc/x86_64-apple-darwin10.8.0/4.7.0/../../../../include/c++/4.7.0/string:54:0,
                 from src/../inc/Variable.h:4,
                 from src/Variable.cpp:1:
    /usr/local/Cellar/gcc/4.7.0/gcc/lib/gcc/x86_64-apple-darwin10.8.0/4.7.0/../../../../include/c++/4.7.0/bits/basic_string.h:2750:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&)
    /usr/local/Cellar/gcc/4.7.0/gcc/lib/gcc/x86_64-apple-darwin10.8.0/4.7.0/../../../../include/c++/4.7.0/bits/basic_string.h:2750:5: note:   template argument deduction/substitution failed:
    src/Variable.cpp:35:9: note:   mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'const char [2]'
    make: *** [bin/Variable.o] Error 1
