README
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sudokugo 
A basic Sudoku generator and solver in Go
Usage
// Generate grid
grid := sudokugo.GenerateGrid(sudokugo.VeryHard)
// Get an image of the grid
img := grid.Draw()
// Solve grid
if err := grid.Solve(); err != nil {
// Grid could not be solved
}
Documentation
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Index ¶
Constants ¶
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const ( VeryEasy = 20 Easy = 25 Medium = 35 Hard = 45 VeryHard = 50 Expert = 60 )
Difficulties for grid generation. A difficulty level represents how many cells to clear from a fully filled grid.
Variables ¶
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var UnsolvableError = errors.New("Grid is unsolvable")
UnsolvableError is a sentinal error indicating that the grid could not be solved.
Functions ¶
This section is empty.
Types ¶
type Difficulty ¶
type Difficulty int
type Grid ¶
type Grid [9][9]uint8
A Grid is a 9x9 sudoku grid state. Grid implements the Stringer interface for pretty printing.
func GenerateGrid ¶
func GenerateGrid(d Difficulty) *Grid
GenerateGrid returns a randomly initialized Sudoku grid for a given Difficulty.
Source Files
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