format part 1

day7/main.go

@@ -1,63 +1,63 @@
 package main
 
 import (
-    "io/ioutil"
-    "strings"
-    "fmt"
+	"fmt"
+	"io/ioutil"
+	"strings"
 )
 
 type Bags map[string][]string
 
 // recursively look for a shiny gold bag
 func HasShinyGold(bags Bags, b string, c []string) bool {
-    t := false
-    if len(c) == 0 {  // dead end
-        return false
-    }
-    for _, s := range c {
-        if s == "shiny gold" { // end of the search
-            return true
-        } else {
-            x := HasShinyGold(bags, s, bags[s])
-            if x == true {
-                t = true
-            }
-        }
+	t := false
+	if len(c) == 0 { // dead end
+		return false
+	}
+	for _, s := range c {
+		if s == "shiny gold" { // end of the search
+			return true
+		} else {
+			x := HasShinyGold(bags, s, bags[s])
+			if x == true {
+				t = true
+			}
+		}
 
-    }
-    return t
+	}
+	return t
 }
 
 func main() {
-    // failed regex that might be worth revisiting:
+	// failed regex that might be worth revisiting:
 	//linere, err := regexp.Compile(`(\w+ \w+) bags contain (?:\d+ (\w+ \w+) bags?, )*?\d+ (\w+ \w+) bags?\.`)
 	d, _ := ioutil.ReadFile("input")
 	lines := strings.Split(string(d), "\n")
-    bags := make(Bags)
+	bags := make(Bags)
 	for _, l := range lines {
-        halves := strings.Split(l, "contain")
-        colors := make([]string,0)
-        if len(halves) < 2 {
-            break
-        }
-        t := strings.TrimSuffix(halves[0]," bags ")
-        if halves[1] == " no other bags." {
-            colors = []string{}
-        } else {
-            s := strings.Split(halves[1], ",")
-            for _, b := range s {
-                f := strings.Fields(b)
-                colors = append(colors, f[1] + " " + f[2])
-            }
-        }
-        bags[t] = colors
-    }
-    total := 0
-    for bag, contents := range bags {
-        t := HasShinyGold(bags, bag, contents)
-        if t == true {
-            total += 1
-        }
-    }
-    fmt.Println(total)
+		halves := strings.Split(l, "contain")
+		colors := make([]string, 0)
+		if len(halves) < 2 {
+			break
+		}
+		t := strings.TrimSuffix(halves[0], " bags ")
+		if halves[1] == " no other bags." {
+			colors = []string{}
+		} else {
+			s := strings.Split(halves[1], ",")
+			for _, b := range s {
+				f := strings.Fields(b)
+				colors = append(colors, f[1]+" "+f[2])
+			}
+		}
+		bags[t] = colors
+	}
+	total := 0
+	for bag, contents := range bags {
+		t := HasShinyGold(bags, bag, contents)
+		if t == true {
+			total += 1
+		}
+	}
+	fmt.Println(total)
 }