Generic IO Types

The C++ API makes use of generic types for input and output. For example, the signature of the filter method is:

template <typename Input_Type, typename Output_Type>
void filter(Input_Type& input, Output_Type& output);

Some input and output types are defined in Keyview_IO.hpp. These are InputFile, OutputFile, and InMemoryFile. You can create your own input and output types if required.

The requirements of an InputType are that it provides read, seek, and tell methods that conform to the example signatures of the keyview::InputFile. The requirement of an OutputType is that it provides a write method that conforms to the example signature of the keyview::OutputFile. A class can be valid as both an InputType and OutputType.


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