README updates

README.md

@@ -56,42 +56,42 @@ of `stdin` to `stdout` and `stderr`, and prints the number of bytes read.
 package main
 
 import (
-	"context"
-	"errors"
-	"fmt"
-	"io"
-	"os"
+  "context"
+  "errors"
+  "fmt"
+  "io"
+  "os"
 
-	"github.com/neilotoole/streamcache"
+  "github.com/neilotoole/streamcache"
 )
 
 // Write stdin to both stdout and stderr.
 // Some error handling omitted for brevity.
 func main() {
-	ctx := context.Background()
-	stream := streamcache.New(os.Stdin)
-
-	r1 := stream.NewReader(ctx)
-	go func() {
-		defer r1.Close()
-		io.Copy(os.Stdout, r1)
-	}()
-
-	r2 := stream.NewReader(ctx)
-	go func() {
-		defer r2.Close()
-		io.Copy(os.Stderr, r2)
-	}()
+  ctx := context.Background()
+  stream := streamcache.New(os.Stdin)
+
+  r1 := stream.NewReader(ctx)
+  go func() {
+    defer r1.Close()
+    io.Copy(os.Stdout, r1)
+  }()
+
+  r2 := stream.NewReader(ctx)
+  go func() {
+    defer r2.Close()
+    io.Copy(os.Stderr, r2)
+  }()
 
-	stream.Seal()   // Indicate that there'll be no more readers...
-	<-stream.Done() // Receives when all readers are closed.
+  stream.Seal()   // Indicate that there'll be no more readers...
+  <-stream.Done() // Receives when all readers are closed.
 
-	if err := stream.Err(); err != nil && !errors.Is(err, io.EOF) {
-		fmt.Fprintln(os.Stderr, "error:", err)
-		os.Exit(1)
-	}
+  if err := stream.Err(); err != nil && !errors.Is(err, io.EOF) {
+    fmt.Fprintln(os.Stderr, "error:", err)
+    os.Exit(1)
+  }
 
-	fmt.Fprintf(os.Stdout, "Read %d bytes from stdin\n", stream.Size())
+  fmt.Fprintf(os.Stdout, "Read %d bytes from stdin\n", stream.Size())
 }
 ```