11 pub enum Error {  enum
28 impl fmt::Debug for Error {  implementation
31             Error::Success(_v) => write!(f, "Success (no error)"),  in fmt()
32             Error::IO => write!(f, "Input/output error"),  in fmt()
33             Error::InvalidParam => write!(f, "Invalid parameter"),  in fmt()
34             Error::Access => write!(f, "Access denied (insufficient permissions)"),  in fmt()
35             Error::NoDevice => write!(f, "No such device (it may have been disconnected)"),  in fmt()
36             Error::NotFound => write!(f, "Entity not found"),  in fmt()
37             Error::Busy => write!(f, "Resource busy"),  in fmt()
38             Error::Timeout => write!(f, "Operation timed out"),  in fmt()
39             Error::Overflow => write!(f, "Overflow"),  in fmt()
40             Error::Pipe => write!(f, "Pipe error"),  in fmt()
41             Error::Interrupted => write!(f, "System call interrupted (perhaps due to signal)"),  in fmt()
42             Error::NoMem => write!(f, "Insufficient memory"),  in fmt()
43             Error::NotSupported => write!(  in fmt()
47             Error::Other => write!(f, "Other error"),  in fmt()
52 impl From<bindings::libusb_error> for Error {  implementation
55             bindings::LIBUSB_ERROR_IO => Error::IO,  in from()
56             bindings::LIBUSB_ERROR_INVALID_PARAM => Error::InvalidParam,  in from()
57             bindings::LIBUSB_ERROR_ACCESS => Error::Access,  in from()
58             bindings::LIBUSB_ERROR_NO_DEVICE => Error::NoDevice,  in from()
59             bindings::LIBUSB_ERROR_NOT_FOUND => Error::NotFound,  in from()
60             bindings::LIBUSB_ERROR_BUSY => Error::Busy,  in from()
61             bindings::LIBUSB_ERROR_TIMEOUT => Error::Timeout,  in from()
62             bindings::LIBUSB_ERROR_OVERFLOW => Error::Overflow,  in from()
63             bindings::LIBUSB_ERROR_PIPE => Error::Pipe,  in from()
64             bindings::LIBUSB_ERROR_INTERRUPTED => Error::Interrupted,  in from()
65             bindings::LIBUSB_ERROR_NO_MEM => Error::NoMem,  in from()
66             bindings::LIBUSB_ERROR_NOT_SUPPORTED => Error::NotSupported,  in from()
67             bindings::LIBUSB_ERROR_OTHER => Error::Other,  in from()
70             _ => Error::Success(e),  in from()
75 pub type Result<T> = std::result::Result<T, Error>;
80         match Error::from($x as i32) {
81             Error::Success(e) => e,