twocall-just-function.cpp

This example shows how to use doTwoCall() when a function requires no additional arguments.

// Copyright 2019, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0

#include <iostream>
#include <xrtraits/TwoCall.h>

using xrtraits::doTwoCall;

int main()
{
    auto apiLayers =
        doTwoCall<XrApiLayerProperties>(xrEnumerateApiLayerProperties);
    std::cout << "Enumerated layers:\n";
    for (const auto& prop : apiLayers) {
        std::cout << prop.layerName << " - " << prop.description
                  << std::endl;
    }
    return 0;
}