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encoding/hex: change lookup table back to string

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CL 27254 changed hextable to a byte array for performance.
CL 28219 fixed the compiler so that that is no longer necessary.
As Kirill notes in #15808, a string is preferable
as the linker can easily de-dup it.
So go back. No performance changes.

Change-Id: Ibef7d21d0f2507968a0606602c5dd57ed4a85b1b
Reviewed-on: https://go-review.googlesource.com/40970
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2017-04-18 10:54:10 -07:00
parent 1747078695
commit 5e15497b56
1 changed files with 1 additions and 4 deletions
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5
src/encoding/hex/hex.go
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@ -12,10 +12,7 @@ import (
"io" "io"
) )
var hextable = [16]byte{ const hextable = "0123456789abcdef"
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f',
}
// EncodedLen returns the length of an encoding of n source bytes. // EncodedLen returns the length of an encoding of n source bytes.
// Specifically, it returns n * 2. // Specifically, it returns n * 2.