Enum SolveStep 

pub enum SolveStep {
    Placement {
        row: usize,
        col: usize,
        value: u8,
        flags: TechniqueFlags,
        step_number: u32,
        candidates_eliminated: u32,
        related_cell_count: u8,
        difficulty_point: u8,
    },
    CandidateElimination {
        row: usize,
        col: usize,
        value: u8,
        flags: TechniqueFlags,
        step_number: u32,
        candidates_eliminated: u32,
        related_cell_count: u8,
        difficulty_point: u8,
    },
}

Single step in the solving process.

Variants

Placement

A placement of a single value on the Sudoku board.

Fields

row: usize

The row where the value is placed.

col: usize

The column where the value is placed.

value: u8

The value being placed in the Sudoku board.

flags: TechniqueFlags

Flags indicating the technique used for this placement.

step_number: u32

Position of this step in the solve sequence (0-indexed).

candidates_eliminated: u32

Bitmask of candidate values eliminated by this placement.

related_cell_count: u8

Count of related cells involved in determining this placement.

difficulty_point: u8

Difficulty metric for this step (0-10): 0=trivial, 10=hardest.

CandidateElimination

A removal of a candidate value from the Sudoku board.

Fields

row: usize

The row where the candidate is eliminated.

col: usize

The column where the candidate is eliminated.

value: u8

The value being eliminated as a candidate.

flags: TechniqueFlags

Flags indicating the technique used for this elimination.

step_number: u32

Position of this step in the solve sequence (0-indexed).

candidates_eliminated: u32

Bitmask of other candidate values eliminated along with this one.

related_cell_count: u8

Count of related cells involved in determining this elimination.

difficulty_point: u8

Difficulty metric for this step (0-10): 0=trivial, 10=hardest.

Implementations

impl SolveStep

pub fn code(&self) -> &str

4-letter code for the solve step.

pub fn step_number(&self) -> u32

Returns the step number (position in solve sequence).

pub fn candidates_eliminated(&self) -> u32

Returns the bitmask of candidates eliminated by this step.

pub fn related_cell_count(&self) -> u8

Returns the count of related cells involved in this step.

pub fn difficulty_point(&self) -> u8

Returns the difficulty metric for this step (0-10).

Trait Implementations

impl Clone for SolveStep

fn clone(&self) -> SolveStep

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SolveStep

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

Formats the value using the given formatter.

impl Display for SolveStep

Formats the solve step into a human-readable string representation.

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

Formats the value using the given formatter.