go/game/pos.go


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package game

import (
	"fmt"
)

type Position struct {
	X int
	Y int
}

func (p *Position) String() string {
	if *p == INVALID_POSITION() {
		return "INVALID_POSITION"
	}

	return fmt.Sprintf("(%d, %d)", p.X, p.Y)
}

func INVALID_POSITION() Position {
	return Position{-1, -1}
}