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hash: tweak the package docs

No semantic change.
I found the wording distracting in a couple of instances and was moved to improve it.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10478048
This commit is contained in:
Rob Pike 2013-06-24 16:53:13 -07:00
parent a054028471
commit feab3f4986

View File

@ -9,7 +9,7 @@ import "io"
// Hash is the common interface implemented by all hash functions.
type Hash interface {
// Write adds more data to the running hash.
// Write (via the embedded io.Writer interface) adds more data to the running hash.
// It never returns an error.
io.Writer
@ -17,7 +17,7 @@ type Hash interface {
// It does not change the underlying hash state.
Sum(b []byte) []byte
// Reset resets the hash to one with zero bytes written.
// Reset resets the Hash to its initial state.
Reset()
// Size returns the number of bytes Sum will return.