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diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml index 59e3412014..ad41d33d1d 100644 --- a/lib/stdlib/doc/src/notes.xml +++ b/lib/stdlib/doc/src/notes.xml @@ -31,364 +31,6 @@ </header> <p>This document describes the changes made to the STDLIB application.</p> -<section><title>STDLIB 3.15</title> - - <section><title>Fixed Bugs and Malfunctions</title> - <list> - <item> - <p>Time-outs in <c>gen_statem</c> with relative time - <c>0</c> did not behave quite according to the intended - model. This has now been corrected.</p> <p>The correction - introduces a small potential incompatibility e.g when - combining a state time-out with inserted events, and the - inserted event does a state change in the state with the - time-out. Before this correction the state time-out could - be delivered even after the second state change, but now - it is guaranteed that a state time-out is only delivered - in the state it was started for, even in this corner - case.</p> - <p> - *** POTENTIAL INCOMPATIBILITY ***</p> - <p> - Own Id: OTP-15107 Aux Id: ERL-1381, PR-2813 </p> - </item> - <item> - <p> - Fix bugs in <c>erl_eval</c> concerning bitstring - comprehensions.</p> - <p> - Own Id: OTP-16865</p> - </item> - <item> - <p>File names that start with a dot (such as - "<c>.gitignore</c>" are now treated as file names and not - extensions by <c>filename:extension/1</c> and - <c>filename:rootname/1</c>.</p> - <p> - Own Id: OTP-16905</p> - </item> - <item> - <p>Fixed a bug where <c>beam_lib:chunks/3</c> with the - <c>allow_missing_chunks</c> option would crash if a named - chunk was missing.</p> - <p> - Own Id: OTP-16950 Aux Id: ERL-1378 </p> - </item> - <item> - <p> - A floating point zero (0.0) can be both positive (+0.0) - and negative (-0.0). Multiple bugs in the compiler, - runtime system, and STDLIB have been fixed to ensure that - the minus sign on 0.0 is not lost.</p> - <p> - Own Id: OTP-17077 Aux Id: ERL-1431, PR-2903, PR-2905, - PR-2906 </p> - </item> - <item> - <p>Eliminated a Dialyzer crashed when the <c>-MMD</c> - option is used to generate a dependency file and a BEAM - file a the same time.</p> - <p> - Own Id: OTP-17118 Aux Id: PR-2825 </p> - </item> - <item> - <p> - Fixed bug in <seeerl - marker="stdlib:shell_docs"><c>shell_docs</c></seeerl> and - <c>erl_docgen</c> that interpreted <c>em</c> tags as - <c>strong</c>.</p> - <p> - Own Id: OTP-17122</p> - </item> - <item> - <p>On Solaris, the <c>math:acos/1</c> and - <c>math:asin/1</c> functions would not fail for arguments - outside the valid domain.</p> - <p> - Own Id: OTP-17133</p> - </item> - </list> - </section> - - - <section><title>Improvements and New Features</title> - <list> - <item> - <p>In the <c>rand</c> module it is now possible to seed - the default algorithm using an algorithm alias: - <c>default</c>. </p> <p> Generating pseudo random - binaries has been implemented with <c>rand:bytes/1</c> - and <c>rand:bytes_s/2</c>. </p> - <p> - Own Id: OTP-14646 Aux Id: PR-2920 </p> - </item> - <item> - <p> - New functions have been added to the <c>proplists</c> - module: <c>to_map/1,2</c> and <c>from_map/1</c>.</p> - <p> - Own Id: OTP-14647 Aux Id: PR-2910 </p> - </item> - <item> - <p> - New functions have been added to the <c>queue</c> module: - <c>all/2</c>, <c>any/2</c>, <c>delete/2</c>, - <c>delete_r/2</c>, <c>delete_with/2</c>, and - <c>delete_with_r/2</c>.</p> - <p> - Own Id: OTP-14650 Aux Id: PR-2850 </p> - </item> - <item> - <p> - New function have been added to the <c>queue</c> module: - <c>fold/2</c> and <c>filtermap/2</c>.</p> - <p> - Own Id: OTP-14793 Aux Id: PR-2791 </p> - </item> - <item> - <p> - Support for handling abstract code created before OTP R15 - has been dropped.</p> - <p> - Own Id: OTP-16678 Aux Id: PR-2627 </p> - </item> - <item> - <p> - Extended error information for failing BIF calls as - proposed in <url - href="https://github.com/erlang/eep/blob/master/eeps/eep-0054.md">EEP - 54</url> has been implemented.</p> - <p> - When a BIF call from the Erlang shell fails, more - information about which argument or arguments that were - in error will be printed. The same extended error - information will by <c>proc_lib</c>, <c>common_test</c>, - and <c>qlc</c> when BIF calls fail.</p> - <p> - For applications that wish to provide the same extended - error information, there are new functions - <c>erl_error:format_exception/3</c> and - <c>erl_error:format_exception/4</c>.</p> - <p> - There is a new <c>error/3</c> BIF that allows - applications or libraries to provide extended error - information in the same way for their own exceptions.</p> - <p> - Own Id: OTP-16686</p> - </item> - <item> - <p> - Process aliases as outlined by <url - href="https://github.com/erlang/eep/blob/master/eeps/eep-0053.md">EEP - 53</url> has been introduced. Process aliases is - introduced in order to provide a lightweight mechanism - that can prevent late replies after timeout or connection - loss. For more information, see EEP 53 and the - documentation of the new <seemfa - marker="erts:erlang#alias/1"><c>alias/1</c></seemfa> BIF - and the new options to the <seemfa - marker="erts:erlang#monitor/3"><c>monitor/3</c></seemfa> - BIF.</p> - <p> - The <c>call</c> operation in the framework used by - <c>gen_server</c>, <c>gen_statem</c>, and - <c>gen_event</c> has been updated to utilize alias in - order to prevent late responses. The <c>gen_statem</c> - behavior still use a proxy process in the distributed - case, since it has always prevented late replies and - aliases wont work against pre OTP 24 nodes. The proxy - process can be removed in OTP 26.</p> - <p> - The alias feature also made it possible to introduce new - functions similar to the <seemfa - marker="kernel:erpc#receive_response/2"><c>erpc:receive_response()</c></seemfa> - function in the gen behaviors, so the new functions - <seemfa - marker="stdlib:gen_server#receive_response/2"><c>gen_server:receive_response()</c></seemfa>, - <seemfa - marker="stdlib:gen_statem#receive_response/2"><c>gen_statem:receive_response()</c></seemfa>, - <seemfa - marker="stdlib:gen_event#receive_response/2"><c>gen_event:receive_response()</c></seemfa> - have also been introduced.</p> - <p> - Own Id: OTP-16718 Aux Id: PR-2735 </p> - </item> - <item> - <p> - Improved documentation about exit signals emitted when a - <c>gen_server</c> terminates.</p> - <p> - Own Id: OTP-16910 Aux Id: PR-2771 </p> - </item> - <item> - <p> - New functions have been added to the <c>maps</c> module: - <c>merge_with/3</c>, <c>intersect/2</c>, - <c>intersect_with/3</c>, <c>filtermap/2</c>, - <c>from_keys/2</c>, and <c>maps:foreach/2</c>.</p> - <p> - <c>maps:merge_with/3</c> is the same as <c>merge/2</c> - but takes an extra fun that is used to combine items with - the same key.</p> - <p> - <c>maps:intersect/2</c> computes the intersection of two - maps.</p> - <p> - <c>maps:intersect_with/3</c> is the same as - <c>intersect/2</c> but takes an extra fun that is used to - combine intersecting items.</p> - <p> - <c>maps:filtermap/2</c> allows filtering and mapping of a - map in a single pass.</p> - <p> - <c>maps:from_keys/2</c> constructs a map from a list of - keys and a single value and can be used to to optimize - sets operations such as from_list/1, filter/2, - intersection/2, and subtract/2.</p> - <p> - <c>maps:foreach/2</c> allows iteration over a map without - returning any value.</p> - <p> - Own Id: OTP-16936 Aux Id: ERL-1367 </p> - </item> - <item> - <p>The experimental HiPE application has been removed, - together with all related functionality in other - applications.</p> - <p> - *** POTENTIAL INCOMPATIBILITY ***</p> - <p> - Own Id: OTP-16963</p> - </item> - <item> - <p> - The <c>filename:src/1</c> function which was deprecated - in OTP 20 has been removed. Use - <c>filelib:find_source/1,3</c> instead.</p> - <p> - *** POTENTIAL INCOMPATIBILITY ***</p> - <p> - Own Id: OTP-16971</p> - </item> - <item> - <p> - The pretty printer for floating point number have been - changed to make it easier to see if the integer part of - the number has been rounded. After the change the the - digit that may have been rounded always appears last or - just before the exponent character (e or E). This is - accomplished by always printing the number using - scientific notation if it is so large that the integer - part could be rounded.</p> - <p> - Own Id: OTP-16980 Aux Id: ERL-1308 </p> - </item> - <item> - <p> - Accept references up to a size of 160-bits from remote - nodes. This is the first step in an upgrade path toward - using references up to 160-bits in a future OTP release.</p> - <p> - Own Id: OTP-17005 Aux Id: OTP-16718 </p> - </item> - <item> - <p> - Add option <c>location</c> to - <c>erl_parse:abstract/2</c>.</p> - <p> - Own Id: OTP-17024</p> - </item> - <item> - <p> - All long running functions in the maps API are now - yielding. In previous releases the functions - <c>maps:from_list/1</c>, <c>maps:keys/1</c> and - <c>maps:values/1</c> did not yield. This could cause - unfair scheduling of processes.</p> - <p> - Own Id: OTP-17057</p> - </item> - <item> - <p>The <c>sets</c> module now has an optional map-based - implementation, as described in <c>EEP 50</c>.</p> - <p>To use this implementation, pass the - <c>{version,2}</c> option to <c>sets:new/1</c> or - <c>sets:from_list/2</c>.</p> - <p> - Own Id: OTP-17059 Aux Id: PR-2864 </p> - </item> - <item> - <p> - Added <seemfa - marker="shell_docs#supported_tags/0"><c>shell_docs:supported_tags/0</c></seemfa>. - This function can be used to retrieve the tags currently - supported by <c>shell_docs</c>.</p> - <p> - Own Id: OTP-17120</p> - </item> - <item> - <p> - The <c>application/erlang+html</c> documentation storage - format used by <seeerl - marker="shell_docs"><c>shell_docs</c></seeerl> has been - updated to include the tags <c>b</c>, <c>strong</c>, - <c>h4</c>, <c>h5</c> and <c>h6</c>.</p> - <p> - Own Id: OTP-17121</p> - </item> - <item> - <p> - Improved explanation of <c>{continue,Continue}</c> in - <c>Module:init/1</c> of the <c>gen_server</c> - documentation.</p> - <p> - Own Id: OTP-17171 Aux Id: PR-3011 </p> - </item> - <item> - <p>The <c>erl_eval</c> module now accepts a map for - keeping track of bindings. Using an <c>orddict</c> for - bindings will still work.</p> - <p> - Own Id: OTP-17175</p> - </item> - <item> - <p>Documented <c>epp:scan_erl_form/1</c> and added - <c>epp:scan_file/2</c>.</p> - <p> - Own Id: OTP-17199 Aux Id: PR-2658 </p> - </item> - <item> - <p> - The standard floating point printing algorithm used by - the <c>io</c> and <c>io_lib</c> modules has been changed - from the algorithm described in [1] to the Ryu algorithm - [2]. This gives a significant speed improvement for the - printing of most floating point numbers and a small - memory consumption improvement.</p> - <p> - [1]: Robert G. Burger and R. Kent Dybvig. 1996. Printing - floating-point numbers quickly and accurately. In - Proceedings of the ACM SIGPLAN 1996 conference on - Programming language design and implementation (PLDI - '96). Association for Computing Machinery, New York, NY, - USA, 108–116. DOI:https://doi.org/10.1145/231379.231397</p> - <p> - [2]: Ulf Adams. 2018. Ryū: fast float-to-string - conversion. In Proceedings of the 39th ACM SIGPLAN - Conference on Programming Language Design and - Implementation (PLDI 2018). Association for Computing - Machinery, New York, NY, USA, 270–282. - DOI:https://doi.org/10.1145/3192366.3192369</p> - <p> - Thanks to Thomas Depierre</p> - <p> - Own Id: OTP-17210</p> - </item> - </list> - </section> - -</section> - <section><title>STDLIB 3.14</title> <section><title>Fixed Bugs and Malfunctions</title> |