Enum pir_8_emu::vm::PortHandlerInstallError

pub enum PortHandlerInstallError {
    PortsTaken(Vec<u8>),
    WrongPortCount(usize, u8),
    TooManyHandlers,
}

An error that could've occurred when installing a port handler.

Examples

struct NopHandler;
impl PortHandler for NopHandler {
    fn port_count(&self) -> NonZeroU8 { NonZeroU8::new(3).unwrap() }
}

let mut ports = Ports::new();
assert_eq!(ports.install_handler(NopHandler, &[0, 1]),
           Err((NopHandler, PortHandlerInstallError::WrongPortCount(2, 3))));

ports.install_handler(NopHandler, &[0, 1, 2]).unwrap();

assert_eq!(ports.install_handler(NopHandler, &[1, 2, 3]),
           Err((NopHandler, PortHandlerInstallError::PortsTaken(vec![1, 2]))));

Variants

PortsTaken(Vec<u8>)

The specified ports were already taken by some other handler

WrongPortCount(usize, u8)

The specified port count was specified, but the handler takes only the specified amount of ports

TooManyHandlers

Installing this handler would overflow

Trait Implementations

impl Clone for PortHandlerInstallError

fn clone(&self) -> PortHandlerInstallError

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PortHandlerInstallError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for PortHandlerInstallError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for PortHandlerInstallError

impl Error for PortHandlerInstallError

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

fn description(&self) -> &str

Deprecated since 1.42.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl Hash for PortHandlerInstallError

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Ord for PortHandlerInstallError

fn cmp(&self, other: &PortHandlerInstallError) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl PartialEq<PortHandlerInstallError> for PortHandlerInstallError

fn eq(&self, other: &PortHandlerInstallError) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &PortHandlerInstallError) -> bool

This method tests for !=.

impl PartialOrd<PortHandlerInstallError> for PortHandlerInstallError

fn partial_cmp(&self, other: &PortHandlerInstallError) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &PortHandlerInstallError) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &PortHandlerInstallError) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &PortHandlerInstallError) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &PortHandlerInstallError) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralEq for PortHandlerInstallError

impl StructuralPartialEq for PortHandlerInstallError