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authorHenrik Nord <[email protected]>2015-05-13 09:40:16 +0200
committerHenrik Nord <[email protected]>2015-05-13 09:40:16 +0200
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Revert "Prepare release"
This reverts commit e09dd66dc4d89c62ddfd8c19791f9678d5d787c6.
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</header>
<p>This document describes the changes made to the STDLIB application.</p>
-<section><title>STDLIB 2.5</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Fix handling of single dot in filename:join/2</p>
- <p>
- The reference manual says that filename:join(A,B) is
- equivalent to filename:join([A,B]). In some rare cases
- this turns out not to be true. For example:</p>
- <p>
- <c>filename:join("/a/.","b") -&gt; "/a/./b"</c> vs
- <c>filename:join(["/a/.","b"]) -&gt; "/a/b"</c>.</p>
- <p>
- This has been corrected. A single dot is now only kept if
- it occurs at the very beginning or the very end of the
- resulting path.</p>
- <p>
- *** POTENTIAL INCOMPATIBILITY ***</p>
- <p>
- Own Id: OTP-12158</p>
- </item>
- <item>
- <p>
- The undocumented option <c>generic_debug</c> for
- <c>gen_server</c> has been removed.</p>
- <p>
- Own Id: OTP-12183</p>
- </item>
- <item>
- <p>
- erl_lint:icrt_export/4 has been rewritten to make the
- code really follow the scoping rules of Erlang, and not
- just in most situations by accident.</p>
- <p>
- Own Id: OTP-12186</p>
- </item>
- <item>
- <p>
- Add 'trim_all' option to binary:split/3</p>
- <p>
- This option can be set to remove _ALL_ empty parts of the
- result of a call to binary:split/3.</p>
- <p>
- Own Id: OTP-12301</p>
- </item>
- <item>
- <p> Correct orddict(3) regarding evaluation order of
- <c>fold()</c> and <c>map()</c>. </p>
- <p>
- Own Id: OTP-12651 Aux Id: seq12832 </p>
- </item>
- <item>
- <p>
- Correct <c>maps</c> module error exceptions </p>
- <p>
- Bad input to maps module function will now yield the
- following exceptions: <list> <item>{badmap,NotMap}
- or,</item> <item>badarg</item> </list></p>
- <p>
- Own Id: OTP-12657</p>
- </item>
- <item>
- <p>
- It is now possible to paste text in JCL mode (using
- Ctrl-Y) that has been copied in the previous shell
- session. Also a bug that caused the JCL mode to crash
- when pasting text has been fixed.</p>
- <p>
- Own Id: OTP-12673</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Allow maps for supervisor flags and child specs</p>
- <p>
- Earlier, supervisor flags and child specs were given as
- tuples. While this is kept for backwards compatibility,
- it is now also allowed to give these parameters as maps,
- see <seealso
- marker="stdlib:supervisor#sup_flags">sup_flags</seealso>
- and <seealso
- marker="stdlib:supervisor#child_spec">child_spec</seealso>.</p>
- <p>
- Own Id: OTP-11043</p>
- </item>
- <item>
- <p>
- A new system message, <c>terminate</c>, is added. This
- can be sent with <c>sys:terminate/2,3</c>. If the
- receiving process handles system messages properly it
- will terminate shortly after receiving this message.</p>
- <p>
- The new function <c>proc_lib:stop/1,3</c> utilizes this
- new system message and monitors the receiving process in
- order to facilitate a synchronous stop mechanism for
- 'special processes'.</p>
- <p>
- <c>proc_lib:stop/1,3</c> is used by the following
- functions:</p>
- <p>
- <list> <item><c>gen_server:stop/1,3</c> (new)</item>
- <item><c>gen_fsm:stop/1,3</c> (new)</item>
- <item><c>gen_event:stop/1,3</c> (modified to be
- synchronous)</item> <item><c>wx_object:stop/1,3</c>
- (new)</item> </list></p>
- <p>
- Own Id: OTP-11173 Aux Id: seq12353 </p>
- </item>
- <item>
- <p>
- Remove the <c>pg</c> module, which has been deprecated
- through OTP-17, is now removed from the STDLIB
- application. This module has been marked experimental for
- more than 15 years, and has largely been superseded by
- the <c>pg2</c> module from the Kernel application.</p>
- <p>
- Own Id: OTP-11907</p>
- </item>
- <item>
- <p>
- New BIF: <c>erlang:get_keys/0</c>, lists all keys
- associated with the process dictionary. Note:
- <c>erlang:get_keys/0</c> is auto-imported.</p>
- <p>
- *** POTENTIAL INCOMPATIBILITY ***</p>
- <p>
- Own Id: OTP-12151 Aux Id: seq12521 </p>
- </item>
- <item>
- <p> Add three new functions to <c>io_lib</c>--
- <c>scan_format/2</c>, <c>unscan_format/1</c>, and
- <c>build_text/1</c>-- which expose the parsed form of the
- format control sequences to make it possible to easily
- modify or filter the input to <c>io_lib:format/2</c>.
- This can e.g. be used in order to replace unbounded-size
- control sequences like <c>~w</c> or <c>~p</c> with
- corresponding depth-limited <c>~W</c> and <c>~P</c>
- before doing the actual formatting. </p>
- <p>
- Own Id: OTP-12167</p>
- </item>
- <item>
- <p> Introduce the <c>erl_anno</c> module, an abstraction
- of the second element of tokens and tuples in the
- abstract format. </p>
- <p>
- Own Id: OTP-12195</p>
- </item>
- <item>
- <p>
- Support variables as Map keys in expressions and patterns</p>
- <p>Erlang will accept any expression as keys in Map
- expressions and it will accept literals or bound
- variables as keys in Map patterns.</p>
- <p>
- Own Id: OTP-12218</p>
- </item>
- <item>
- <p> The last traces of Mnemosyne Rules have been removed.
- </p>
- <p>
- Own Id: OTP-12257</p>
- </item>
- <item>
- <p>
- Properly support maps in match_specs</p>
- <p>
- Own Id: OTP-12270</p>
- </item>
- <item>
- <p>
- New function <c>ets:take/2</c>. Works the same as
- <c>ets:delete/2</c> but also returns the deleted
- object(s).</p>
- <p>
- Own Id: OTP-12309</p>
- </item>
- <item>
- <p><c>string:tokens/2</c> is somewhat faster, especially
- if the list of separators only contains one separator
- character.</p>
- <p>
- Own Id: OTP-12422 Aux Id: seq12774 </p>
- </item>
- <item>
- <p>
- Prevent zip:zip_open/[12] from leaking file descriptors
- if parent process dies.</p>
- <p>
- Own Id: OTP-12566</p>
- </item>
- <item>
- <p>
- Add a new random number generator, see <c>rand</c>
- module. It have better characteristics and an improved
- interface.</p>
- <p>
- Own Id: OTP-12586 Aux Id: OTP-12501, OTP-12502 </p>
- </item>
- <item>
- <p><c>filename:split/1</c> when given an empty binary
- will now return an empty list, to make it consistent with
- return value when given an empty list.</p>
- <p>
- Own Id: OTP-12716</p>
- </item>
- </list>
- </section>
-
-</section>
-
<section><title>STDLIB 2.4</title>
<section><title>Fixed Bugs and Malfunctions</title>