func NewLibrary() (*Library, error) {
l := C.create_C7ZipLibrary()
if getBool(C.c7zLib_Initialize(l)) == false {
err := getError(C.c7zLib_GetLastError(l))
C.free_C7ZipLibrary(l)
return nil, err
}
lib := &Library{l}
return lib, nil
}
func (lib *Library) lastError() error {
return getError(C.c7zLib_GetLastError(lib.l))
}