Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter02/recipe04.
2. Navigate to the directory.
3. Create the concat_buffer.go file with the following content:

       package main       import (         "bytes"         "fmt"       )       func main() {         strings := []string{"This ", "is ", "even ",                             "more ", "performant "}          buffer := bytes.Buffer{}          for _, val := range strings {            buffer.WriteString(val)          }           fmt.Println(buffer.String())         }

4. Run the code by executing go run concat_buffer.go.
5. See the output in the Terminal:

6. Create the concat_copy.go file with the following content:

        package main        import (          "fmt"        )        func main() {          strings := []string{"This ", "is ", "even ", "more ", "performant ...