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encoding/hex: fix typo
Thanks to avadh4all for spotting it. Fixes #1214. R=r, r2 CC=golang-dev https://golang.org/cl/2616041
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@ -71,7 +71,7 @@ func Decode(dst, src []byte) (int, os.Error) {
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// fromHexChar converts a hex character into its value and a success flag.
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func fromHexChar(c byte) (byte, bool) {
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switch {
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case 0 <= c && c <= '9':
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case '0' <= c && c <= '9':
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return c - '0', true
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case 'a' <= c && c <= 'f':
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return c - 'a' + 10, true
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@ -58,6 +58,7 @@ var decodeTests = []decodeTest{
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decodeTest{[]byte{}, []byte{}, true},
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decodeTest{[]byte{'0'}, []byte{}, false},
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decodeTest{[]byte{'0', 'g'}, []byte{}, false},
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decodeTest{[]byte{'0', '\x01'}, []byte{}, false},
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decodeTest{[]byte{'0', '0'}, []byte{0}, true},
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decodeTest{[]byte{'0', '1'}, []byte{1}, true},
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decodeTest{[]byte{'0', '2'}, []byte{2}, true},
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@ -129,6 +130,7 @@ var decodeStringTests = []decodeStringTest{
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decodeStringTest{"", []byte{}, true},
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decodeStringTest{"0", []byte{}, false},
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decodeStringTest{"00", []byte{0}, true},
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decodeStringTest{"0\x01", []byte{}, false},
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decodeStringTest{"0g", []byte{}, false},
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decodeStringTest{"00ff00", []byte{0, 255, 0}, true},
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decodeStringTest{"0000ff", []byte{0, 0, 255}, true},
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