day_21

package

v0.0.0-...-07010e4 Latest Latest Go to latest Published: Dec 15, 2024 License: MIT Imports: 5 Imported by: 0

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func Part1()

func Part2()

type ConstEvaler struct {
	Value int
}

func (e ConstEvaler) CanEval() bool

func (e ConstEvaler) Eval(Tree) (int, bool)

func (e ConstEvaler) MustEvalTo(tree Tree, n int)

type Evaler interface {
	Eval(Tree) (int, bool)
	MustEvalTo(Tree, int)
	CanEval() bool
}

type ExprEvaler struct {
	XID, YID string

	Op Op
	// contains filtered or unexported fields
}

func (e *ExprEvaler) CanEval() bool

func (e *ExprEvaler) Eval(tree Tree) (int, bool)

func (e *ExprEvaler) MustEvalTo(tree Tree, n int)

type HumanEvaler struct {
	Val int
}

func (e *HumanEvaler) CanEval() bool

func (e *HumanEvaler) Eval(Tree) (int, bool)

func (e *HumanEvaler) MustEvalTo(tree Tree, n int)

type Op string

const (
	Plus  Op = "+"
	Minus Op = "-"
	Mult  Op = "*"
	Div   Op = "/"
	Eq    Op = "="
)

func (o Op) IsValid() bool

type Tree map[string]Evaler

func (tree Tree) CanEval(id string) bool

func (tree Tree) Eval(id string) (int, bool)

func (tree Tree) MustEvalTo(id string, n int)

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