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All blog posts for major Go releases include a dot, other than the one for Go 1.2. Fix the inconsistency and add a redirect from the old page. Change-Id: I2f08142b6e802808be49adb5abf1562ab2d6fd73 Reviewed-on: https://go-review.googlesource.com/c/website/+/603795 Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]> Auto-Submit: Dmitri Shuralyov <[email protected]> LUCI-TryBot-Result: Go LUCI <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| --- | ||
| title: Go 1.2 is released | ||
| date: 2013-12-01 | ||
| by: | ||
| - Andrew Gerrand | ||
| tags: | ||
| - release | ||
| summary: Go 1.2 adds test coverage results, goroutine preemption, and more. | ||
| --- | ||
|
|
||
|
|
||
| We are pleased to announce the release of Go 1.2, the latest stable version of | ||
| the Go Programming Language. | ||
|
|
||
| Binary distributions may be downloaded from the | ||
| [usual place](/doc/install) or if you prefer to | ||
| [compile from source](/doc/install/source) you should use | ||
| the `release` or `go1.2` tags. | ||
|
|
||
| This new release comes nearly seven months after the release of Go 1.1 in May, | ||
| a much shorter period than the 14 months between 1.1 and 1.0. | ||
| We anticipate a comparable interval between future major releases. | ||
|
|
||
| [Go 1.2](/doc/go1.2) includes a couple of minor | ||
| language changes, several improvements to the language implementation and | ||
| tools, some performance improvements, and many additions and | ||
| (backward-compatible) changes to the standard library. | ||
|
|
||
| Please read the [release notes](/doc/go1.2) for all | ||
| the details, as some changes may affect the behavior of existing (buggy) programs. | ||
| What follows is the highlights of the release. | ||
|
|
||
| A new [three-index slice syntax](/doc/go1.2#three_index) | ||
| adds the ability to specify capacity as well as length. This allows the | ||
| programmer to pass a slice value that can only access a limited portion of the | ||
| underlying array, a technique that previously required the use of the unsafe | ||
| package. | ||
|
|
||
| A major new feature of the tool chain is the facility to compute and display | ||
| [test coverage results](/doc/go1.2#cover). | ||
| See the [`go test`](/cmd/go/#hdr-Description_of_testing_flags) | ||
| and [cover tool](https://golang.org/x/tools/cmd/cover) | ||
| documentation for details. Later this week we will publish an article that | ||
| discusses this new feature in detail. | ||
|
|
||
| Goroutines are now [pre-emptively scheduled](/doc/go1.2#preemption), | ||
| in that the scheduler is invoked occasionally upon entry to a function. | ||
| This can prevent busy goroutines from starving other goroutines on the same | ||
| thread. | ||
|
|
||
| An increase to the default goroutine stack size should improve the | ||
| performance of some programs. (The old size had a tendency to introduce | ||
| expensive stack-segment switching in performance-critical sections.) | ||
| On the other end, new restrictions on | ||
| [stack sizes](/doc/go1.2#stack_size) and | ||
| [the number of operating system threads](/doc/go1.2#thread_limit) | ||
| should prevent misbehaving programs from consuming all the resources of a | ||
| machine. (These limits may be adjusted using new functions in the | ||
| [`runtime/debug` package](/pkg/runtime/debug).) | ||
|
|
||
| Finally, among the [many changes to the standard library](/doc/go1.2#library), | ||
| significant changes include | ||
| the new [`encoding` package](/doc/go1.2#encoding), | ||
| [indexed arguments](/doc/go1.2#fmt_indexed_arguments) in `Printf` format strings, and | ||
| some [convenient additions](/doc/go1.2#text_template) to the template packages. | ||
|
|
||
| As part of the release, the [Go Playground](/play/) has been | ||
| updated to Go 1.2. This also affects services that use the Playground, such as | ||
| [the Go Tour](/tour/) and this blog. | ||
| The update also adds the ability to use threads and the `os`, `net`, and | ||
| `unsafe` packages inside the sandbox, making it more like a real Go environment. | ||
|
|
||
| To everyone who helped make this release possible, from the many users who | ||
| submitted bug reports to the 116 (!) contributors who committed more than 1600 | ||
| changes to the core: Your help is invaluable to the project. Thank you! | ||
|
|
||
| _This blog post is the first of the_ | ||
| [Go Advent Calendar](http://blog.gopheracademy.com/day-01-go-1.2), | ||
| _a series of daily articles presented by the_ | ||
| [Gopher Academy](http://gopheracademy.com/) _from December 1 to 25._ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,3 @@ | ||
| --- | ||
| title: Go 1.2 is released | ||
| date: 2013-12-01 | ||
| by: | ||
| - Andrew Gerrand | ||
| tags: | ||
| - release | ||
| summary: Go 1.2 adds test coverage results, goroutine preemption, and more. | ||
| redirect: /blog/go1.2 | ||
| --- | ||
|
|
||
|
|
||
| We are pleased to announce the release of Go 1.2, the latest stable version of | ||
| the Go Programming Language. | ||
|
|
||
| Binary distributions may be downloaded from the | ||
| [usual place](/doc/install) or if you prefer to | ||
| [compile from source](/doc/install/source) you should use | ||
| the `release` or `go1.2` tags. | ||
|
|
||
| This new release comes nearly seven months after the release of Go 1.1 in May, | ||
| a much shorter period than the 14 months between 1.1 and 1.0. | ||
| We anticipate a comparable interval between future major releases. | ||
|
|
||
| [Go 1.2](/doc/go1.2) includes a couple of minor | ||
| language changes, several improvements to the language implementation and | ||
| tools, some performance improvements, and many additions and | ||
| (backward-compatible) changes to the standard library. | ||
|
|
||
| Please read the [release notes](/doc/go1.2) for all | ||
| the details, as some changes may affect the behavior of existing (buggy) programs. | ||
| What follows is the highlights of the release. | ||
|
|
||
| A new [three-index slice syntax](/doc/go1.2#three_index) | ||
| adds the ability to specify capacity as well as length. This allows the | ||
| programmer to pass a slice value that can only access a limited portion of the | ||
| underlying array, a technique that previously required the use of the unsafe | ||
| package. | ||
|
|
||
| A major new feature of the tool chain is the facility to compute and display | ||
| [test coverage results](/doc/go1.2#cover). | ||
| See the [`go test`](/cmd/go/#hdr-Description_of_testing_flags) | ||
| and [cover tool](https://golang.org/x/tools/cmd/cover) | ||
| documentation for details. Later this week we will publish an article that | ||
| discusses this new feature in detail. | ||
|
|
||
| Goroutines are now [pre-emptively scheduled](/doc/go1.2#preemption), | ||
| in that the scheduler is invoked occasionally upon entry to a function. | ||
| This can prevent busy goroutines from starving other goroutines on the same | ||
| thread. | ||
|
|
||
| An increase to the default goroutine stack size should improve the | ||
| performance of some programs. (The old size had a tendency to introduce | ||
| expensive stack-segment switching in performance-critical sections.) | ||
| On the other end, new restrictions on | ||
| [stack sizes](/doc/go1.2#stack_size) and | ||
| [the number of operating system threads](/doc/go1.2#thread_limit) | ||
| should prevent misbehaving programs from consuming all the resources of a | ||
| machine. (These limits may be adjusted using new functions in the | ||
| [`runtime/debug` package](/pkg/runtime/debug).) | ||
|
|
||
| Finally, among the [many changes to the standard library](/doc/go1.2#library), | ||
| significant changes include | ||
| the new [`encoding` package](/doc/go1.2#encoding), | ||
| [indexed arguments](/doc/go1.2#fmt_indexed_arguments) in `Printf` format strings, and | ||
| some [convenient additions](/doc/go1.2#text_template) to the template packages. | ||
|
|
||
| As part of the release, the [Go Playground](/play/) has been | ||
| updated to Go 1.2. This also affects services that use the Playground, such as | ||
| [the Go Tour](/tour/) and this blog. | ||
| The update also adds the ability to use threads and the `os`, `net`, and | ||
| `unsafe` packages inside the sandbox, making it more like a real Go environment. | ||
|
|
||
| To everyone who helped make this release possible, from the many users who | ||
| submitted bug reports to the 116 (!) contributors who committed more than 1600 | ||
| changes to the core: Your help is invaluable to the project. Thank you! | ||
|
|
||
| _This blog post is the first of the_ | ||
| [Go Advent Calendar](http://blog.gopheracademy.com/day-01-go-1.2), | ||
| _a series of daily articles presented by the_ | ||
| [Gopher Academy](http://gopheracademy.com/) _from December 1 to 25._ |