Struct Board

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pub struct Board { /* private fields */ }
Expand description

Default implementation of the SweeperBoard trait

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impl Board

Helper methods to help implement the trait

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pub fn height(&self) -> usize

A convenient alias from self.cells.len().

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pub fn width(&self) -> usize

A convenient alias from self.cells[0].len(). Guarateed to return because the height of the board is never less than 9.

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pub fn count_adjacent_mines(&self, i: usize, j: usize) -> usize

Trait Implementations§

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impl SweeperBoard<Cell> for Board

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fn new(height: usize, width: usize, mine_count: usize) -> Result<Self, Error>

Create a new minesweeper board. height and width cannot be under 9, while mine_count cannot exceed height * width - 9 since the initial cell and its neighbors must be a free cell. Return error if given invalid configuration.

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fn open(&mut self, i: usize, j: usize) -> &CellKind

Open a cell, propagate if all neighboring cell is a free cell. Opening an opened cell will propagate if flagged cell count is equal to surrounding mine count.

Propagation is stopped when propagation reached a mine cell.

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fn flag(&mut self, i: usize, j: usize) -> &CellState

Flag a cell. Flagged cell cannot be opened until unflagged. Remove the flag by flagging a flagged cell again. Flagged cell counts toward opening an opened cell propagation.

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fn open_save(&mut self, i: usize, j: usize) -> Result<&CellKind, Error>

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fn flag_save(&mut self, i: usize, j: usize) -> Result<&CellState, Error>

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fn state(&self) -> &BoardState

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fn cells(&self) -> &Vec<Vec<Cell>>

Auto Trait Implementations§

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impl Freeze for Board

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impl RefUnwindSafe for Board

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impl Send for Board

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impl Sync for Board

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impl Unpin for Board

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impl UnwindSafe for Board

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V