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fmt: allow %U for unsigned integers.

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Suggested by jan.mercl@nic.cz.

R=rsc, jnml
CC=golang-dev
https://golang.org/cl/4376054
This commit is contained in:
Rob Pike 2011-04-12 11:03:05 -07:00
parent 11e07d23ed
commit 4fe9f57413
2 changed files with 3 additions and 0 deletions
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1
src/pkg/fmt/fmt_test.go
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@ -170,6 +170,7 @@ var fmttests = []struct {
// unicode format // unicode format
{"%U", 0x1, "U+0001"}, {"%U", 0x1, "U+0001"},
{"%U", uint(0x1), "U+0001"},
{"%.8U", 0x2, "U+00000002"}, {"%.8U", 0x2, "U+00000002"},
{"%U", 0x1234, "U+1234"}, {"%U", 0x1234, "U+1234"},
{"%U", 0x12345, "U+12345"}, {"%U", 0x12345, "U+12345"},

2
src/pkg/fmt/print.go
View File

@ -389,6 +389,8 @@ func (p *pp) fmtUint64(v uint64, verb int, goSyntax bool, value interface{}) {
p.fmt.integer(int64(v), 16, unsigned, ldigits) p.fmt.integer(int64(v), 16, unsigned, ldigits)
case 'X': case 'X':
p.fmt.integer(int64(v), 16, unsigned, udigits) p.fmt.integer(int64(v), 16, unsigned, udigits)
case 'U':
p.fmtUnicode(int64(v))
default: default:
p.badVerb(verb, value) p.badVerb(verb, value)
} }