aoc2024/day-25/internal/one/util.go

package one

import (
	"bytes"
	"io"
)

func parseLines(r io.Reader) (int, map[kind][]*schematic, error) {
	raw, _ := io.ReadAll(r)
	rawSchematics := bytes.Split(raw, []byte("\n\n"))

	schematics := map[kind][]*schematic{kindOfLock: {}, kindOfKey: {}}
	for _, rawSchematic := range rawSchematics {
		s := newSchematic(bytes.Split(rawSchematic, []byte("\n")))
		schematics[s.kind] = append(schematics[s.kind], s)
	}

	maxHeight := len(schematics[kindOfLock][0].heights)

	return maxHeight, schematics, nil
}

func allInString(s string, r rune) bool {
	for _, c := range s {
		if c != r {
			return false
		}
	}
	return true
}