Weird compiler error: Cannot convert parameter from 'int' to 'int &&'

Question

What on earth is going on here?
I\'m trying to create a pair of an int and a string and I can create the pair if I use \"magic values\" but can

Answer 1

make_pair is usually used without specifying the template parameters explicitly. This is how it is meant to be used:

num_text.push_back(std::make_pair(42, std::string("Smeg")));
num_text.push_back(std::make_pair(42, text));
num_text.push_back(std::make_pair(num, std::string("Smeg")));
num_text.push_back(std::make_pair(num, text));
num_text.push_back(std::make_pair(42, std::string("Smeg")));

Alternatively, if you want the exact type:

typedef decltype(num_text)::value_type value_type;
num_text.push_back(value_type(42, std::string("Smeg")));
num_text.push_back(value_type(42, text));
num_text.push_back(value_type(num, std::string("Smeg")));
num_text.push_back(value_type(num, text));
num_text.push_back(value_type(42, std::string("Smeg")));