day8

type DecryptedMessage ¶

type DecryptedMessage [4]int

func (m *DecryptedMessage) ToInt() int

type EncryptedMessage ¶

type EncryptedMessage struct {
	Key     SegmentKey
	Message Message
}

func (s *EncryptedMessage) Decrypt() DecryptedMessage

type Message ¶

type Message [4]SegmentPattern

Message contains the encrypted four segment patterns in the message.

type SegmentCipher ¶

type SegmentCipher map[SegmentPattern]int

SegmentCipher is a map from encrypted segment patterns to their decrypted integer values.

func (c *SegmentCipher) Decode(p SegmentPattern) int

func (c *SegmentCipher) GetPattern(n int) SegmentPattern

type SegmentKey ¶

type SegmentKey map[int][]SegmentPattern

SegmentKey contains all of the possible segment patterns 0-9. They are stored in a map, where the key is the pattern length.

func (p *SegmentKey) GetCipher() SegmentCipher

type SegmentPattern ¶

type SegmentPattern mapset.Set

SegmentPattern is a set containing all of the runes that make up the signals which constitute a digit on a seven segment display