Method size

src/io/file_memory_source.cpp:34–34

    ~FileMemorySource() override { if (fp_) std::fclose(fp_); }

    u64 size() const override { return size_; }
    const std::string& name() const override { return name_; }

    std::size_t read(u64 offset, void* out, std::size_t len) const override {