Enum spacebattleship::board::CannotPlaceReason

pub enum CannotPlaceReason {
    AlreadyPlaced,
    InvalidProjection,
    AlreadyOccupied,
}

Reason why a ship could not be placed with a given projection.

Variants

AlreadyPlaced

The given ShipId was already placed.

InvalidProjection

The projection provided was not a valid projection of the specified ship.

AlreadyOccupied

One or more of the cells in the projection was already occupied.

Trait Implementations

impl Clone for CannotPlaceReason

fn clone(&self) -> CannotPlaceReason

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for CannotPlaceReason

impl Debug for CannotPlaceReason

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

Formats the value using the given formatter.

impl Display for CannotPlaceReason

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

Formats the value using the given formatter.

impl Eq for CannotPlaceReason

impl Error for CannotPlaceReason

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 PartialEq<CannotPlaceReason> for CannotPlaceReason

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

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for CannotPlaceReason

impl StructuralPartialEq for CannotPlaceReason