Use 'helpers' module for previous days

2019/day01/main.go

@@ -1,23 +1,21 @@
 package main
 
 import (
-	"bufio"
 	"fmt"
-	"log"
 	"math"
-	"os"
-	"strconv"
+
+	helpers "git.bullercodeworks.com/brian/adventofcode/helpers"
 )
 
 func main() {
-	inp := StdinToStringSlice()
+	inp := helpers.StdinToStringSlice()
 	fmt.Println("Fuel Required:", part1(inp))
 }
 
 func part1(inp []string) int {
 	var total int
 	for _, v := range inp {
-		total = total + part2(fuelRequired(float64(Atoi(v))))
+		total = total + part2(fuelRequired(float64(helpers.Atoi(v))))
 	}
 	return total
 }
@@ -39,21 +37,3 @@ func fuelRequired(mass float64) int {
 	}
 	return int(res) - 2
 }
-
-func StdinToStringSlice() []string {
-	var input []string
-	scanner := bufio.NewScanner(os.Stdin)
-	for scanner.Scan() {
-		input = append(input, scanner.Text())
-	}
-	return input
-}
-
-func Atoi(i string) int {
-	var ret int
-	var err error
-	if ret, err = strconv.Atoi(i); err != nil {
-		log.Fatal("Invalid Atoi")
-	}
-	return ret
-}