aoc2023/day-10/util.go
2023-12-11 03:55:09 +00:00

51 lines
935 B
Go

package main
import (
"bufio"
"os"
log "github.com/sirupsen/logrus"
)
// readlines reads lines from stdin.
// returns input as an array of strings
func readlines() []string {
lines := []string{}
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
if err := scanner.Err(); err != nil {
log.Fatal(err)
}
return lines
}
// inLastMoves checks if next coords exists in past moves
func inLastMoves(last []coords, b coords) bool {
for _, co := range last {
if co.X == b.X && co.Y == b.Y {
return true
}
}
return false
}
// comparePoints returns true if coordinates for two points match
func comparePoints(a, b point) bool {
return a.X == b.X && a.Y == b.Y
}
// contains returns true if a slice of elements contains a given element
func contains[T comparable](elems []T, v T) bool {
for _, s := range elems {
if v == s {
return true
}
}
return false
}