package khepri_test import ( "bytes" "crypto/md5" "crypto/sha1" "fmt" "strings" "github.com/fd0/khepri" ) func ExampleReader() { str := "foobar" reader := khepri.NewHashingReader(strings.NewReader(str), md5.New) buf := make([]byte, len(str)) reader.Read(buf) fmt.Printf("hash for %q is %02x", str, reader.Hash()) // Output: hash for "foobar" is 3858f62230ac3c915f300c664312c63f } func ExampleWriter() { str := "foobar" var buf bytes.Buffer writer := khepri.NewHashingWriter(&buf, sha1.New) writer.Write([]byte(str)) fmt.Printf("hash for %q is %02x", str, writer.Hash()) // Output: hash for "foobar" is 8843d7f92416211de9ebb963ff4ce28125932878 }