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author | gmarik <gmarik@gmail.com> | 2017-07-15 12:11:42 -0600 |
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committer | Ian Lance Taylor <iant@golang.org> | 2017-07-16 03:57:11 +0000 |
commit | 504deee6088c2448fc3e91c94a1ba69ec92fb7ef (patch) | |
tree | 71f9e157e80f4c4a9a78f85fc9d96fc67cc1d705 | |
parent | cd619caff4f27496843542cdee0169821784c4b5 (diff) | |
download | go-504deee6088c2448fc3e91c94a1ba69ec92fb7ef.tar.gz go-504deee6088c2448fc3e91c94a1ba69ec92fb7ef.zip |
log: adds a Logger Output method Example
Change-Id: Ia3e351169a4ebe6db5e5f37b668f23dc8c992c78
Reviewed-on: https://go-review.googlesource.com/48877
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
-rw-r--r-- | src/log/example_test.go | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/log/example_test.go b/src/log/example_test.go index 74385a3a0a..769d076e9d 100644 --- a/src/log/example_test.go +++ b/src/log/example_test.go @@ -11,11 +11,31 @@ import ( ) func ExampleLogger() { - var buf bytes.Buffer - logger := log.New(&buf, "logger: ", log.Lshortfile) + var ( + buf bytes.Buffer + logger = log.New(&buf, "logger: ", log.Lshortfile) + ) + logger.Print("Hello, log file!") fmt.Print(&buf) // Output: - // logger: example_test.go:16: Hello, log file! + // logger: example_test.go:19: Hello, log file! +} + +func ExampleLogger_Output() { + var ( + buf bytes.Buffer + logger = log.New(&buf, "INFO: ", log.Lshortfile) + + infof = func(info string) { + logger.Output(2, info) + } + ) + + infof("Hello world") + + fmt.Print(&buf) + // Output: + // INFO: example_test.go:36: Hello world } |