diff options
author | Brad Fitzpatrick <bradfitz@golang.org> | 2017-06-13 20:24:43 +0000 |
---|---|---|
committer | Brad Fitzpatrick <bradfitz@golang.org> | 2017-06-14 05:49:46 +0000 |
commit | 76319222f271a3ed4695466c1bb46dbd0a7885b1 (patch) | |
tree | 27cb88657b20fa2fff0ed3a451494b4dd1632d79 /doc | |
parent | aafd96408feef0785d32fd3e1c5a67d4159a98e7 (diff) | |
download | go-git-76319222f271a3ed4695466c1bb46dbd0a7885b1.tar.gz |
doc: add more Go 1.9 notes
Updates #20587
Change-Id: I7effe922242db45f3ce74882d07511aaaac2f634
Reviewed-on: https://go-review.googlesource.com/45613
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/go1.9.html | 80 |
1 files changed, 48 insertions, 32 deletions
diff --git a/doc/go1.9.html b/doc/go1.9.html index 543a9ab74c..3c2a1ce8fd 100644 --- a/doc/go1.9.html +++ b/doc/go1.9.html @@ -42,7 +42,8 @@ ul li { margin: 0.5em 0; } adds <a href="#monotonic-time">transparent monotonic time support</a>, <a href="#parallel-compile">parallelizes compilation of functions</a> within a package, better supports <a href="#test-helper">test helper functions</a>, - and includes a new <a href="#math-bits">bit manipulation package</a>. + includes a new <a href="#math-bits">bit manipulation package</a>, + and has a new <a href="#sync-map">concurrent map type</a>. </p> <h2 id="language">Changes to the language</h2> @@ -225,6 +226,16 @@ type T1 = T2 line numbers for users. </p> +<h3 id="sync-map">Concurrent Map</h3> + +<p> <!-- CL 36617 --> + The new <a href="/pkg/sync/#Map"><code>Map</code></a> type + in the <a href="/pkg/sync/"><code>sync</code></a> package + is a concurrent map with amortized-constant-time loads, stores, and + deletes. It is safe for multiple goroutines to call a Map's methods + concurrently. +</p> + <h3 id="minor_library_changes">Minor changes to the library</h3> <p> @@ -245,14 +256,6 @@ type T1 = T2 </dl><!-- archive/zip --> -<dl id="crypto/aes"><dt><a href="/pkg/crypto/aes/">crypto/aes</a></dt> - <dd> - <p><!-- CL 38366 --> - TODO: <a href="https://golang.org/cl/38366">https://golang.org/cl/38366</a>: ARM assembly versions of encrypt, decrypt and expandKey - </p> - -</dl><!-- crypto/aes --> - <dl id="crypto/rand"><dt><a href="/pkg/crypto/rand/">crypto/rand</a></dt> <dd> <p><!-- CL 43852 --> @@ -269,7 +272,7 @@ type T1 = T2 <dd> <p><!-- CL 36093 --> - On UNIX systems the environment + On Unix systems the environment variables <code>SSL_CERT_FILE</code> and <code>SSL_CERT_DIR</code> can now be used to override the system default locations for the SSL certificate file and SSL @@ -362,14 +365,6 @@ type T1 = T2 </dl><!-- fmt --> -<dl id="go/build"><dt><a href="/pkg/go/build/">go/build</a></dt> - <dd> - <p><!-- CL 44291 --> - TODO: <a href="https://golang.org/cl/44291">https://golang.org/cl/44291</a>: make -I/-L options in cgo flags absolute - </p> - -</dl><!-- go/build --> - <dl id="hash/fnv"><dt><a href="/pkg/hash/fnv/">hash/fnv</a></dt> <dd> <p><!-- CL 38356 --> @@ -528,7 +523,12 @@ type T1 = T2 <dl id="net/http/fcgi"><dt><a href="/pkg/net/http/fcgi/">net/http/fcgi</a></dt> <dd> <p><!-- CL 40012 --> - TODO: <a href="https://golang.org/cl/40012">https://golang.org/cl/40012</a>: expose cgi env vars in request context + The new + <a href="/pkg/net/http/fcgi/#ProcessEnv"><code>ProcessEnv</code></a> + function returns FastCGI environment variables associated with an HTTP request + for which there are no appropriate + <a href="/pkg/net/http/#Request"><code>http.Request</code></a> + fields, such as <code>REMOTE_USER</code>. </p> </dl><!-- net/http/fcgi --> @@ -536,7 +536,15 @@ type T1 = T2 <dl id="net/http/httptest"><dt><a href="/pkg/net/http/httptest/">net/http/httptest</a></dt> <dd> <p><!-- CL 34639 --> - TODO: <a href="https://golang.org/cl/34639">https://golang.org/cl/34639</a>: add Client and Certificate to Server + The new + <a href="/pkg/net/http/httptest/#Server.Client"><code>Server.Client</code></a> + method returns an HTTP client configured for making requests to the test server. + </p> + + <p> + The new + <a href="/pkg/net/http/httptest/#Server.Certificate"><code>Server.Certificate</code></a> + method returns the test server's TLS certificate, if any. </p> </dl><!-- net/http/httptest --> @@ -564,19 +572,29 @@ type T1 = T2 <dl id="os/exec"><dt><a href="/pkg/os/exec/">os/exec</a></dt> <dd> <p><!-- CL 37586 --> - TODO: <a href="https://golang.org/cl/37586">https://golang.org/cl/37586</a>: remove duplicate environment variables in Cmd.Start + The <code>os/exec</code> package now prevents child processes from being created with + any duplicate environment variables. + If <a href="/pkg/os/exec/#Cmd.Env"><code>Cmd.Env</code></a> + contains duplicate environment keys, only the last + value in the slice for each duplicate key is used. </p> </dl><!-- os/exec --> <dl id="os/user"><dt><a href="/pkg/os/user/">os/user</a></dt> <dd> - <p><!-- CL 33713 --> - TODO: <a href="https://golang.org/cl/33713">https://golang.org/cl/33713</a>: add Go implementation of LookupGroup, LookupGroupId + <p><!-- CL 37664 --> + <a href="/pkg/os/user/#Lookup"><code>Lookup</code></a> and + <a href="/pkg/os/user/#LookupId"><code>LookupId</code></a> now + work on Unix systems when <code>CGO_ENABLED=0</code> by reading + the <code>/etc/passwd</code> file. </p> - <p><!-- CL 37664 --> - TODO: <a href="https://golang.org/cl/37664">https://golang.org/cl/37664</a>: add non-cgo versions of Lookup, LookupId + <p><!-- CL 33713 --> + <a href="/pkg/os/user/#LookupGroup"><code>LookupGroup</code></a> and + <a href="/pkg/os/user/#LookupGroupId"><code>LookupGroupId</code></a> now + work on Unix systems when <code>CGO_ENABLED=0</code> by reading + the <code>/etc/group</code> file. </p> </dl><!-- os/user --> @@ -584,7 +602,9 @@ type T1 = T2 <dl id="reflect"><dt><a href="/pkg/reflect/">reflect</a></dt> <dd> <p><!-- CL 38335 --> - TODO: <a href="https://golang.org/cl/38335">https://golang.org/cl/38335</a>: Add MakeMapWithSize for creating maps with size hint + The new + <a href="/pkg/reflect/#MakeMapWithSize"><code>MakeMapWithSize</code></a> + function creates a map with a capacity hint. </p> </dl><!-- reflect --> @@ -650,11 +670,7 @@ type T1 = T2 <dl id="sync"><dt><a href="/pkg/sync/">sync</a></dt> <dd> <p><!-- CL 34310 --> - TODO: <a href="https://golang.org/cl/34310">https://golang.org/cl/34310</a>: make Mutex more fair - </p> - - <p><!-- CL 36617 --> - TODO: <a href="https://golang.org/cl/36617">https://golang.org/cl/36617</a>: import Map from x/sync/syncmap + <a href="/pkg/sync/#Mutex"><code>Mutex</code></a> is now more fair. </p> </dl><!-- sync --> @@ -664,7 +680,7 @@ type T1 = T2 <p><!-- CL 36697 --> The new field <a href="/pkg/syscall/#Credential.NoSetGroups"><code>Credential.NoSetGroups</code></a> - controls whether UNIX systems make a <code>setgroups</code> system call + controls whether Unix systems make a <code>setgroups</code> system call to set supplementary groups when starting a new process. </p> |