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io: change the name of ReadAtSizer to SizedReaderAt

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This is a proposal. The old name is pretty poor. The new one describes
it better and may be easier to remember. It does not start with Read,
though I think that inconsistency is worthwhile.

Reworded the comment a bit for clarity.

Change-Id: Icb4f9c663cc68958e0363d7ff78a0b29cc521f98
Reviewed-on: https://go-review.googlesource.com/21629
Reviewed-by: Andrew Gerrand <adg@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Rob Pike 2016-04-06 20:19:47 -07:00
parent 8f2edf1199
commit 01360a64c5
1 changed files with 4 additions and 3 deletions
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7
src/io/io.go
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@ -274,10 +274,11 @@ type RuneScanner interface {
UnreadRune() error
}
// ReadAtSizer is the interface that groups the basic ReadAt and Size
// methods, representing a sized data source that supports random
// SizedReaderAt is the interface that groups the basic ReadAt method
// with a Size method that reports the total size of the underlying
// object. It represents a fixed-size data source that supports random
// access by multiple concurrent goroutines.
type ReadAtSizer interface {
type SizedReaderAt interface {
ReaderAt
// Size reports the length of the data source in bytes.
Size() int64