aoc2023/day-1/util.go
2023-12-02 15:07:04 +00:00

33 lines
523 B
Go

package main
import (
"bufio"
"log"
"os"
)
// readlines reads lines from stdin.
// Then it returns them 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
}
// reverse accepts a string and returns its reverse
func reverse(s string) (result string) {
for _, v := range s {
result = string(v) + result
}
return
}