diff options
Diffstat (limited to 'lib/stdlib/doc/src')
| -rw-r--r-- | lib/stdlib/doc/src/Makefile | 2 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/assert_hrl.xml | 160 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/c.xml | 8 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/ets.xml | 4 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/gb_sets.xml | 13 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/gb_trees.xml | 13 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/maps.xml | 22 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/notes.xml | 218 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/orddict.xml | 7 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/ref_man.xml | 1 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/supervisor.xml | 12 |
11 files changed, 233 insertions, 227 deletions
diff --git a/lib/stdlib/doc/src/Makefile b/lib/stdlib/doc/src/Makefile index a4a2ed9931..d41f91250e 100644 --- a/lib/stdlib/doc/src/Makefile +++ b/lib/stdlib/doc/src/Makefile @@ -102,7 +102,7 @@ XML_REF3_FILES = \ XML_REF6_FILES = stdlib_app.xml XML_PART_FILES = part.xml part_notes.xml part_notes_history.xml -XML_CHAPTER_FILES = io_protocol.xml unicode_usage.xml notes.xml notes_history.xml +XML_CHAPTER_FILES = io_protocol.xml unicode_usage.xml notes.xml notes_history.xml assert_hrl.xml BOOK_FILES = book.xml diff --git a/lib/stdlib/doc/src/assert_hrl.xml b/lib/stdlib/doc/src/assert_hrl.xml new file mode 100644 index 0000000000..d812ee16dc --- /dev/null +++ b/lib/stdlib/doc/src/assert_hrl.xml @@ -0,0 +1,160 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE fileref SYSTEM "fileref.dtd"> + +<fileref> + <header> + <copyright> + <year>2012</year><year>2015</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + </legalnotice> + + <title>assert.hrl</title> + <prepared></prepared> + <docno></docno> + <date></date> + <rev></rev> + </header> + <file>assert.hrl</file> + <filesummary>Assert Macros</filesummary> + <description> + <p>The include file <c>assert.hrl</c> provides macros for inserting + assertions in your program code.</p> + <p>These macros are defined in the Stdlib include file + <c>assert.hrl</c>. Include the following directive in the module + from which the function is called:</p> + <code type="none"> +-include_lib("stdlib/include/assert.hrl").</code> + <p>When an assertion succeeds, the assert macro yields the atom + <c>ok</c>. When an assertion fails, an exception of type <c>error</c> is + instead generated. The associated error term will have the form + <c>{Macro, Info}</c>, where <c>Macro</c> is the name of the macro, for + example <c>assertEqual</c>, and <c>Info</c> will be a list of tagged + values such as <c>[{module, M}, {line, L}, ...]</c> giving more + information about the location and cause of the exception. All entries + in the <c>Info</c> list are optional, and you should not rely + programatically on any of them being present.</p> + + <p>If the macro <c>NOASSERT</c> is defined when the <c>assert.hrl</c> + include file is read by the compiler, the macros will be defined as + equivalent to the atom <c>ok</c>. The test will not be performed, and + there will be no cost at runtime.</p> + + <p>For example, using <c>erlc</c> to compile your modules, the following + will disable all assertions:</p> + <code type="none"> +erlc -DNOASSERT=true *.erl</code> + <p>(The value of <c>NOASSERT</c> does not matter, only the fact that it + is defined.)</p> + <p>A few other macros also have effect on the enabling or disabling of + assertions:</p> + <list type="bulleted"> + <item>If <c>NODEBUG</c> is defined, it implies <c>NOASSERT</c>, unless + <c>DEBUG</c> is also defined, which is assumed to take + precedence.</item> + <item>If <c>ASSERT</c> is defined, it overrides <c>NOASSERT</c>, that + is, the assertions will remain enabled.</item> + </list> + <p>If you prefer, you can thus use only <c>DEBUG</c>/<c>NODEBUG</c> as + the main flags to control the behaviour of the assertions (which is + useful if you have other compiler conditionals or debugging macros + controlled by those flags), or you can use <c>ASSERT</c>/<c>NOASSERT</c> + to control only the assert macros.</p> + + </description> + + <section> + </section> + + <section> + <title>Macros</title> + <taglist> + <tag><c>assert(BoolExpr)</c></tag> + <item><p>Tests that <c>BoolExpr</c> completes normally returning + <c>true</c>.</p> + </item> + + <tag><c>assertNot(BoolExpr)</c></tag> + <item><p>Tests that <c>BoolExpr</c> completes normally returning + <c>false</c>.</p> + </item> + + <tag><c>assertMatch(GuardedPattern, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> completes normally yielding a value + that matches <c>GuardedPattern</c>. For example: + <code type="none"> + ?assertMatch({bork, _}, f())</code></p> + <p>Note that a guard <c>when ...</c> can be included: + <code type="none"> + ?assertMatch({bork, X} when X > 0, f())</code></p> + </item> + + <tag><c>assertNotMatch(GuardedPattern, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> completes normally yielding a value + that does not match <c>GuardedPattern</c>.</p> + <p>As in <c>assertMatch</c>, <c>GuardedPattern</c> can have a + <c>when</c> part.</p> + </item> + + <tag><c>assertEqual(ExpectedValue, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> completes normally yielding a value + that is exactly equal to <c>ExpectedValue</c>.</p> + </item> + + <tag><c>assertNotEqual(ExpectedValue, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> completes normally yielding a value + that is not exactly equal to <c>ExpectedValue</c>.</p> + </item> + + <tag><c>assertException(Class, Term, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> completes abnormally with an exception + of type <c>Class</c> and with the associated <c>Term</c>. The + assertion fails if <c>Expr</c> raises a different exception or if it + completes normally returning any value.</p> + <p>Note that both <c>Class</c> and <c>Term</c> can be guarded + patterns, as in <c>assertMatch</c>.</p> + </item> + + <tag><c>assertNotException(Class, Term, Expr)</c></tag> + <item><p>Tests that <c>Expr</c> does not evaluate abnormally with an + exception of type <c>Class</c> and with the associated <c>Term</c>. + The assertion succeeds if <c>Expr</c> raises a different exception or + if it completes normally returning any value.</p> + <p>As in <c>assertException</c>, both <c>Class</c> and <c>Term</c> + can be guarded patterns.</p> + </item> + + <tag><c>assertError(Term, Expr)</c></tag> + <item><p>Equivalent to <c>assertException(error, Term, + Expr)</c></p> + </item> + + <tag><c>assertExit(Term, Expr)</c></tag> + <item><p>Equivalent to <c>assertException(exit, Term, Expr)</c></p> + </item> + + <tag><c>assertThrow(Term, Expr)</c></tag> + <item><p>Equivalent to <c>assertException(throw, Term, Expr)</c></p> + </item> + + </taglist> + </section> + + <section> + <title>SEE ALSO</title> + <p><seealso marker="compiler:compile">compile(3)</seealso></p> + <p><seealso marker="erts:erlc">erlc(3)</seealso></p> + </section> +</fileref> diff --git a/lib/stdlib/doc/src/c.xml b/lib/stdlib/doc/src/c.xml index b49fa6ad67..b43d4786ae 100644 --- a/lib/stdlib/doc/src/c.xml +++ b/lib/stdlib/doc/src/c.xml @@ -232,6 +232,14 @@ compile:file(<anno>File</anno>, <anno>Options</anno> ++ [report_errors, report_w </desc> </func> <func> + <name name="uptime" arity="0"/> + <fsummary>Print node uptime</fsummary> + <desc> + <p>Prints the node uptime (as given by + <c>erlang:statistics(wall_clock)</c>), in human-readable form.</p> + </desc> + </func> + <func> <name>xm(ModSpec) -> void()</name> <fsummary>Cross reference check a module</fsummary> <type> diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml index 6b9524ef63..2bfe074c3e 100644 --- a/lib/stdlib/doc/src/ets.xml +++ b/lib/stdlib/doc/src/ets.xml @@ -1435,7 +1435,9 @@ is_integer(X), is_integer(Y), X + Y < 4711]]></code> <p>Whenever the <c>extended_info</c> option is used, it results in a file not readable by versions of ets prior to that in stdlib-1.15.1</p> - + <p>The <c>sync</c> option, if set to <c>true</c>, ensures that + the content of the file is actually written to the disk before + <c>tab2file</c> returns. Default is <c>{sync, false}</c>.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/gb_sets.xml b/lib/stdlib/doc/src/gb_sets.xml index ea96c14472..405bae5698 100644 --- a/lib/stdlib/doc/src/gb_sets.xml +++ b/lib/stdlib/doc/src/gb_sets.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2001</year><year>2014</year> + <year>2001</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -306,6 +306,17 @@ </desc> </func> <func> + <name name="iterator_from" arity="2"/> + <fsummary>Return an iterator for a set starting from a specified element</fsummary> + <desc> + <p>Returns an iterator that can be used for traversing the + entries of <c><anno>Set</anno></c>; see <c>next/1</c>. + The difference as compared to the iterator returned by + <c>iterator/1</c> is that the first element greater than + or equal to <c><anno>Element</anno></c> is returned.</p> + </desc> + </func> + <func> <name name="largest" arity="1"/> <fsummary>Return largest element</fsummary> <desc> diff --git a/lib/stdlib/doc/src/gb_trees.xml b/lib/stdlib/doc/src/gb_trees.xml index b2f237e1d7..82167e1083 100644 --- a/lib/stdlib/doc/src/gb_trees.xml +++ b/lib/stdlib/doc/src/gb_trees.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2001</year><year>2014</year> + <year>2001</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -183,6 +183,17 @@ </desc> </func> <func> + <name name="iterator_from" arity="2"/> + <fsummary>Return an iterator for a tree starting from specified key</fsummary> + <desc> + <p>Returns an iterator that can be used for traversing the + entries of <c><anno>Tree</anno></c>; see <c>next/1</c>. + The difference as compared to the iterator returned by + <c>iterator/1</c> is that the first key greater than + or equal to <c><anno>Key</anno></c> is returned.</p> + </desc> + </func> + <func> <name name="keys" arity="1"/> <fsummary>Return a list of the keys in a tree</fsummary> <desc> diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml index e46068230a..7345a9357a 100644 --- a/lib/stdlib/doc/src/maps.xml +++ b/lib/stdlib/doc/src/maps.xml @@ -33,6 +33,28 @@ <funcs> <func> + <name name="filter" arity="2"/> + <fsummary>Choose pairs which satisfy a predicate</fsummary> + <desc> + <p> + Returns a map <c><anno>Map2</anno></c> for which predicate + <c><anno>Pred</anno></c> holds true in <c><anno>Map1</anno></c>. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if + <c><anno>Map1</anno></c> is not a map or with <c>badarg</c> if + <c><anno>Pred</anno></c> is not a function of arity 2. + </p> + <p>Example:</p> + <code type="none"> +> M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4}, + Pred = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end, + maps:filter(Pred,M). +#{a => 2,c => 4} </code> + </desc> + </func> + + <func> <name name="find" arity="2"/> <fsummary></fsummary> <desc> diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml index 3914a9bc0e..301a5ee2e8 100644 --- a/lib/stdlib/doc/src/notes.xml +++ b/lib/stdlib/doc/src/notes.xml @@ -30,224 +30,6 @@ </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") -> "/a/./b"</c> vs - <c>filename:join(["/a/.","b"]) -> "/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> diff --git a/lib/stdlib/doc/src/orddict.xml b/lib/stdlib/doc/src/orddict.xml index ec1e43f29c..c853b402d4 100644 --- a/lib/stdlib/doc/src/orddict.xml +++ b/lib/stdlib/doc/src/orddict.xml @@ -48,8 +48,11 @@ <datatypes> <datatype> - <name name="orddict"/> - <desc><p>As returned by new/0.</p></desc> + <name name="orddict" n_vars="2"/> + <desc><p>Dictionary as returned by <c>new/0</c>.</p></desc> + </datatype> + <datatype> + <name name="orddict" n_vars="0"/> </datatype> </datatypes> diff --git a/lib/stdlib/doc/src/ref_man.xml b/lib/stdlib/doc/src/ref_man.xml index eee4a68ca1..cae62612aa 100644 --- a/lib/stdlib/doc/src/ref_man.xml +++ b/lib/stdlib/doc/src/ref_man.xml @@ -35,6 +35,7 @@ </description> <xi:include href="stdlib_app.xml"/> <xi:include href="array.xml"/> + <xi:include href="assert_hrl.xml"/> <xi:include href="base64.xml"/> <xi:include href="beam_lib.xml"/> <xi:include href="binary.xml"/> diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index ffac1c0bd7..6ff477a42d 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -386,9 +386,15 @@ added to the supervisor and the function returns the same value.</p> <p>If the child process start function returns <c>ignore</c>, - the child specification is added to the supervisor, the pid - is set to <c>undefined</c>, and the function returns - <c>{ok,undefined}</c>.</p> + the child specification is added to the supervisor (unless the + supervisor is a <c>simple_one_for_one</c> supervisor, see below), + the pid is set to <c>undefined</c> and the function returns + <c>{ok,undefined}</c>. + </p> + <p>In the case of a <c>simple_one_for_one</c> supervisor, when a child + process start function returns <c>ignore</c> the functions returns + <c>{ok,undefined}</c> and no child is added to the supervisor. + </p> <p>If the child process start function returns an error tuple or an erroneous value, or if it fails, the child specification is discarded, and the function returns <c>{error,Error}</c> where |