fix: coding style and file format for all example.

eBook/examples/chapter_14/sieve1.go

@@ -1,37 +1,37 @@
-// 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
-package main
-
-import "fmt"
-
-// Send the sequence 2, 3, 4, ... to channel 'ch'.
-func generate(ch chan int) {
-	for i := 2; ; i++ {
-		ch <- i // Send 'i' to channel 'ch'.
-	}
-}
-
-// Copy the values from channel 'in' to channel 'out',
-// removing those divisible by 'prime'.
-func filter(in, out chan int, prime int) {
-	for {
-		i := <-in // Receive value of new variable 'i' from 'in'.
-		if i%prime != 0 {
-			out <- i // Send 'i' to channel 'out'.
-		}
-	}
-}
-
-// The prime sieve: Daisy-chain filter processes together.
-func main() {
-	ch := make(chan int) // Create a new channel.
-	go generate(ch)      // Start generate() as a goroutine.
-	for {
-		prime := <-ch
-		fmt.Print(prime, " ")
-		ch1 := make(chan int)
-		go filter(ch, ch1, prime)
-		ch = ch1
-	}
-}
+// 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
+package main
+
+import "fmt"
+
+// Send the sequence 2, 3, 4, ... to channel 'ch'.
+func generate(ch chan int) {
+	for i := 2; ; i++ {
+		ch <- i // Send 'i' to channel 'ch'.
+	}
+}
+
+// Copy the values from channel 'in' to channel 'out',
+// removing those divisible by 'prime'.
+func filter(in, out chan int, prime int) {
+	for {
+		i := <-in // Receive value of new variable 'i' from 'in'.
+		if i%prime != 0 {
+			out <- i // Send 'i' to channel 'out'.
+		}
+	}
+}
+
+// The prime sieve: Daisy-chain filter processes together.
+func main() {
+	ch := make(chan int) // Create a new channel.
+	go generate(ch)      // Start generate() as a goroutine.
+	for {
+		prime := <-ch
+		fmt.Print(prime, " ")
+		ch1 := make(chan int)
+		go filter(ch, ch1, prime)
+		ch = ch1
+	}
+}