rwcount - examples_test.go

     1  package rwcount_test
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/binary"
     6  	"fmt"
     7  
     8  	"vimagination.zapto.org/rwcount"
     9  )
    10  
    11  func Example() {
    12  	var (
    13  		buf    bytes.Buffer
    14  		result uint16
    15  	)
    16  
    17  	writer := &rwcount.Writer{Writer: &buf}
    18  
    19  	binary.Write(writer, binary.LittleEndian, uint16(1234))
    20  
    21  	reader := &rwcount.Reader{Reader: &buf}
    22  	binary.Read(reader, binary.LittleEndian, &result)
    23  
    24  	fmt.Printf("Wrote bytes: %d\n"+
    25  		"Write error: %v\n"+
    26  		"Read bytes: %d\n"+
    27  		"Read error: %v\n"+
    28  		"Read value: %d\n",
    29  		writer.Count,
    30  		writer.Err,
    31  		reader.Count,
    32  		reader.Err,
    33  		result,
    34  	)
    35  
    36  	// Output:
    37  	// Wrote bytes: 2
    38  	// Write error: <nil>
    39  	// Read bytes: 2
    40  	// Read error: <nil>
    41  	// Read value: 1234
    42  }
    43