Function read_scalar

src/framework/audio/wav_reader.cpp:12–19

namespace engine::audio {
namespace {

class ReadOnlyMemoryStreamBuffer final : public std::streambuf {
public:
    explicit ReadOnlyMemoryStreamBuffer(std::string_view data) {
        // std::streambuf::setg takes char*, but this input stream only reads from the buffer.
        auto * begin = const_cast<char *>(data.data());
        setg(begin, begin, begin + data.size());
    }

protected:
    pos_type seekoff(off_type offset, std::ios_base::seekdir dir, std::ios_base::openmode which) override {