Store the streambuf from cout up-front because cout may get redirected when running tests

DecodingTask implementation - Constructor and helper methods

Read the vector size.

Encoding implementation

Host function to access a class through an external reference.

Host function to call a function through an external reference as a function pointer.

Host function to call a functor through an external reference.

Host function to erase std::map<std::string, std::string> by key.

Host function to insert {key, val} into std::map<std::string, std::string>.

Host function to output std::string through std::ostream

Host function to output uint32_t through std::ostream

Host function to erase std::set<uint32_t> by key.

Host function to insert a key into std::set<uint32_t>.

Host function to push a value into std::vector<uint32_t>.

Host function to sum values in a slice of std::vector<uint32_t>.

Constructors.