adding some hints to lab 1 code

src/main/wc.go

@@ -9,10 +9,21 @@ import "container/list"
 // key to the Map function, as in the paper; only a value,
 // which is a part of the input file contents
 func Map(value string) *list.List {
+	// Note: The value argument holds one line of text from the file.
+	// You need to:
+	// (1) Split up the string into words, discarding any punctuation
+	// (2) Add each word to the list with a mapreduce.KeyValue struct
+
 }
 
 // iterate over list and add values
 func Reduce(key string, values *list.List) string {
+	// Note:
+	// The key argument holds the key common too all values in the values argument
+	// The values argument is a list of mapreduce.KeyValue structs with the given key.
+	// You need to:
+	// (1) Reduce the all of the values in the values list
+	// (2) Return the reduced/summed up values as a string
 }
 
 // Can be run in 3 ways:
@@ -20,17 +31,17 @@ func Reduce(key string, values *list.List) string {
 // 2) Master (e.g., go run wc.go master x.txt localhost:7777)
 // 3) Worker (e.g., go run wc.go worker localhost:7777 localhost:7778 &)
 func main() {
-  if len(os.Args) != 4 {
-    fmt.Printf("%s: see usage comments in file\n", os.Args[0])
-  } else if os.Args[1] == "master" {
-    if os.Args[3] == "sequential" {
-      mapreduce.RunSingle(5, 3, os.Args[2], Map, Reduce)
-    } else {
-      mr := mapreduce.MakeMapReduce(5, 3, os.Args[2], os.Args[3])    
-      // Wait until MR is done
-      <- mr.DoneChannel
-    }
-  } else {
-    mapreduce.RunWorker(os.Args[2], os.Args[3], Map, Reduce, 100)
-  }
+	if len(os.Args) != 4 {
+		fmt.Printf("%s: see usage comments in file\n", os.Args[0])
+	} else if os.Args[1] == "master" {
+		if os.Args[3] == "sequential" {
+			mapreduce.RunSingle(5, 3, os.Args[2], Map, Reduce)
+		} else {
+			mr := mapreduce.MakeMapReduce(5, 3, os.Args[2], os.Args[3])
+			// Wait until MR is done
+			<-mr.DoneChannel
+		}
+	} else {
+		mapreduce.RunWorker(os.Args[2], os.Args[3], Map, Reduce, 100)
+	}
 }