fix: coding style and file format for all example.

eBook/examples/chapter_14/sieve2.go

@@ -1,53 +1,53 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
-	"fmt"
-)
-
-// Send the sequence 2, 3, 4, ... to returned channel 
-func generate() chan int {
-	ch := make(chan int)
-	go func() {
-		for i := 2; ; i++ {
-			ch <- i
-		}
-	}()
-	return ch
-}
-
-// Filter out input values divisible by 'prime', send rest to returned channel
-func filter(in chan int, prime int) chan int {
-	out := make(chan int)
-	go func() {
-		for {
-			if i := <-in; i%prime != 0 {
-				out <- i
-			}
-		}
-	}()
-	return out
-}
-
-func sieve() chan int {
-	out := make(chan int)
-	go func() {
-		ch := generate()
-		for {
-			prime := <-ch
-			ch = filter(ch, prime)
-			out <- prime
-		}
-	}()
-	return out
-}
-
-func main() {
-	primes := sieve()
-	for {
-		fmt.Println(<-primes)
-	}
-}
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"fmt"
+)
+
+// Send the sequence 2, 3, 4, ... to returned channel
+func generate() chan int {
+	ch := make(chan int)
+	go func() {
+		for i := 2; ; i++ {
+			ch <- i
+		}
+	}()
+	return ch
+}
+
+// Filter out input values divisible by 'prime', send rest to returned channel
+func filter(in chan int, prime int) chan int {
+	out := make(chan int)
+	go func() {
+		for {
+			if i := <-in; i%prime != 0 {
+				out <- i
+			}
+		}
+	}()
+	return out
+}
+
+func sieve() chan int {
+	out := make(chan int)
+	go func() {
+		ch := generate()
+		for {
+			prime := <-ch
+			ch = filter(ch, prime)
+			out <- prime
+		}
+	}()
+	return out
+}
+
+func main() {
+	primes := sieve()
+	for {
+		fmt.Println(<-primes)
+	}
+}