Position class

Represents the cartesian position of a cell on a typical Sudoku 9x9 grid X and Y are row and column respectfully.

      SEG0    SEG1    SEG2
     0 1 2   3 4 5   6 7 8
   -------------------------
 0 | 0 0 0 | 0 0 0 | 0 0 0 |

SEG0 1 | 0 0 0 | 0 0 0 | 0 0 0 | 2 | 0 0 0 | 0 0 0 | 0 0 0 | ------------------------- 3 | 0 0 0 | 0 0 0 | 0 0 0 | SEG1 4 | 0 0 0 | 0 0 0 | 0 0 0 | 5 | 0 0 0 | 0 0 0 | 0 0 0 | ------------------------- 6 | 0 0 0 | 0 0 0 | 0 0 0 | SEG2 7 | 0 0 0 | 0 0 0 | 0 0 0 | 8 | 0 0 0 | 0 0 0 | 0 0 0 | -------------------------

Constructors

Position({int row = -1, int column = -1, int index = -1})

Construct a cell position, using either a row/column pair, or index

Position.fromMap(Map<String, dynamic> json)

Serialization

factory

Properties

grid ↔ Point<num>?

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

index ↔ int?

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

segment ↔ Point<num>?

getter/setter pair

Methods

isValid() → bool

Determine if position is valid via simple range check of index

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toMap() → Map<String, dynamic>

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited