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-rw-r--r--lib/stdlib/doc/src/erl_tar.xml4
-rw-r--r--lib/stdlib/doc/src/gb_sets.xml2
-rw-r--r--lib/stdlib/doc/src/lists.xml14
-rw-r--r--lib/stdlib/doc/src/notes.xml19
-rw-r--r--lib/stdlib/doc/src/ordsets.xml9
-rw-r--r--lib/stdlib/doc/src/sets.xml9
-rw-r--r--lib/stdlib/doc/src/string.xml394
-rw-r--r--lib/stdlib/doc/src/timer.xml4
8 files changed, 448 insertions, 7 deletions
diff --git a/lib/stdlib/doc/src/erl_tar.xml b/lib/stdlib/doc/src/erl_tar.xml
index 14c543ee2b..68fa071090 100644
--- a/lib/stdlib/doc/src/erl_tar.xml
+++ b/lib/stdlib/doc/src/erl_tar.xml
@@ -90,8 +90,8 @@
<section>
<title>Other Storage Media</title>
- <p>The <seealso marker="inets:ftp"><c>ftp</c></seealso>
- module (Inets) normally accesses the tar file on disk using
+ <p>The <seealso marker="ftp:ftp"><c>ftp</c></seealso>
+ module normally accesses the tar file on disk using
the <seealso marker="kernel:file"><c>file</c></seealso> module.
When other needs arise, you can define your own low-level Erlang
functions to perform the writing and reading on the storage media;
diff --git a/lib/stdlib/doc/src/gb_sets.xml b/lib/stdlib/doc/src/gb_sets.xml
index 7bfe477a11..2a3785dc27 100644
--- a/lib/stdlib/doc/src/gb_sets.xml
+++ b/lib/stdlib/doc/src/gb_sets.xml
@@ -83,6 +83,8 @@
</item>
<item><seealso marker="#is_element/2"><c>is_element/2</c></seealso>
</item>
+ <item><seealso marker="#is_empty/1"><c>is_empty/1</c></seealso>
+ </item>
<item><seealso marker="#is_set/1"><c>is_set/1</c></seealso>
</item>
<item><seealso marker="#is_subset/2"><c>is_subset/2</c></seealso>
diff --git a/lib/stdlib/doc/src/lists.xml b/lib/stdlib/doc/src/lists.xml
index 7efafedc82..c3d5d7e07a 100644
--- a/lib/stdlib/doc/src/lists.xml
+++ b/lib/stdlib/doc/src/lists.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2017</year>
+ <year>1996</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -771,6 +771,18 @@ length(lists:seq(From, To, Incr)) =:= (To - From + Incr) div Incr</code>
</func>
<func>
+ <name name="search" arity="2"/>
+ <fsummary>Find the first element that satisfies a predicate.</fsummary>
+ <desc>
+ <p>If there is a <c><anno>Value</anno></c> in <c><anno>List</anno></c>
+ such that <c><anno>Pred</anno>(<anno>Value</anno>)</c> returns
+ <c>true</c>, returns <c>{value, <anno>Value</anno>}</c>
+ for the first such <c><anno>Value</anno></c>,
+ otherwise returns <c>false</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="splitwith" arity="2"/>
<fsummary>Split a list into two lists based on a predicate.</fsummary>
<desc>
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
index bf6b06859e..e26c4aba74 100644
--- a/lib/stdlib/doc/src/notes.xml
+++ b/lib/stdlib/doc/src/notes.xml
@@ -31,6 +31,25 @@
</header>
<p>This document describes the changes made to the STDLIB application.</p>
+<section><title>STDLIB 3.4.5</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The <c>Module:init/1</c> function in <c>gen_statem</c>
+ may return an actions list containing any action, but an
+ erroneous check only allowed state enter actions so e.g
+ <c>{next_event,internal,event}</c> caused a server crash.
+ This bug has been fixed.</p>
+ <p>
+ Own Id: OTP-13995</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 3.4.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/stdlib/doc/src/ordsets.xml b/lib/stdlib/doc/src/ordsets.xml
index 7b590932e4..2d891d7a5a 100644
--- a/lib/stdlib/doc/src/ordsets.xml
+++ b/lib/stdlib/doc/src/ordsets.xml
@@ -142,6 +142,15 @@
</func>
<func>
+ <name name="is_empty" arity="1"/>
+ <fsummary>Test for empty set.</fsummary>
+ <desc>
+ <p>Returns <c>true</c> if <c><anno>Ordset</anno></c> is an empty set,
+ otherwise <c>false</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="is_set" arity="1"/>
<fsummary>Test for an <c>Ordset</c>.</fsummary>
<desc>
diff --git a/lib/stdlib/doc/src/sets.xml b/lib/stdlib/doc/src/sets.xml
index 4934bed365..1ed96ddc3f 100644
--- a/lib/stdlib/doc/src/sets.xml
+++ b/lib/stdlib/doc/src/sets.xml
@@ -140,6 +140,15 @@
</func>
<func>
+ <name name="is_empty" arity="1"/>
+ <fsummary>Test for empty set.</fsummary>
+ <desc>
+ <p>Returns <c>true</c> if <c><anno>Set</anno></c> is an empty set,
+ otherwise <c>false</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="is_set" arity="1"/>
<fsummary>Test for a <c>Set</c>.</fsummary>
<desc>
diff --git a/lib/stdlib/doc/src/string.xml b/lib/stdlib/doc/src/string.xml
index 130fc74a28..c7772d63a3 100644
--- a/lib/stdlib/doc/src/string.xml
+++ b/lib/stdlib/doc/src/string.xml
@@ -109,8 +109,10 @@
<p>This module has been reworked in Erlang/OTP 20 to
handle <seealso marker="unicode#type-chardata">
<c>unicode:chardata()</c></seealso> and operate on grapheme
- clusters. The <c>old functions</c> that only work on Latin-1 lists as input
- are kept for backwards compatibility reasons but should not be used.
+ clusters. The <seealso marker="#oldapi"> <c>old
+ functions</c></seealso> that only work on Latin-1 lists as input
+ are still available but should not be used, they will be
+ deprecated in a future release.
</p>
</description>
@@ -629,5 +631,393 @@ ÖÄÅ</pre>
</func>
</funcs>
+
+ <section>
+ <marker id="oldapi"/>
+ <title>Obsolete API functions</title>
+ <p>Here follows the function of the old API.
+ These functions only work on a list of Latin-1 characters.
+ </p>
+ <note><p>
+ The functions are kept for backward compatibility, but are
+ not recommended.
+ They will be deprecated in Erlang/OTP 21.
+ </p>
+ <p>Any undocumented functions in <c>string</c> are not to be used.</p>
+ </note>
+ </section>
+
+ <funcs>
+ <func>
+ <name name="centre" arity="2"/>
+ <name name="centre" arity="3"/>
+ <fsummary>Center a string.</fsummary>
+ <desc>
+ <p>Returns a string, where <c><anno>String</anno></c> is centered in the
+ string and surrounded by blanks or <c><anno>Character</anno></c>.
+ The resulting string has length <c><anno>Number</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#pad/3"><c>pad/3</c></seealso>.
+ </p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="chars" arity="2"/>
+ <name name="chars" arity="3"/>
+ <fsummary>Return a string consisting of numbers of characters.</fsummary>
+ <desc>
+ <p>Returns a string consisting of <c><anno>Number</anno></c> characters
+ <c><anno>Character</anno></c>. Optionally, the string can end with
+ string <c><anno>Tail</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="lists#duplicate/2"><c>lists:duplicate/2</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="chr" arity="2"/>
+ <fsummary>Return the index of the first occurrence of
+ a character in a string.</fsummary>
+ <desc>
+ <p>Returns the index of the first occurrence of
+ <c><anno>Character</anno></c> in <c><anno>String</anno></c>. Returns
+ <c>0</c> if <c><anno>Character</anno></c> does not occur.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#find/2"><c>find/2</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="concat" arity="2"/>
+ <fsummary>Concatenate two strings.</fsummary>
+ <desc>
+ <p>Concatenates <c><anno>String1</anno></c> and
+ <c><anno>String2</anno></c> to form a new string
+ <c><anno>String3</anno></c>, which is returned.</p>
+ <p>
+ This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use <c>[<anno>String1</anno>, <anno>String2</anno>]</c> as
+ <c>Data</c> argument, and call
+ <seealso marker="unicode#characters_to_list/2">
+ <c>unicode:characters_to_list/2</c></seealso> or
+ <seealso marker="unicode#characters_to_binary/2">
+ <c>unicode:characters_to_binary/2</c></seealso>
+ to flatten the output.
+ </p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="copies" arity="2"/>
+ <fsummary>Copy a string.</fsummary>
+ <desc>
+ <p>Returns a string containing <c><anno>String</anno></c> repeated
+ <c><anno>Number</anno></c> times.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="lists#duplicate/2"><c>lists:duplicate/2</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="cspan" arity="2"/>
+ <fsummary>Span characters at start of a string.</fsummary>
+ <desc>
+ <p>Returns the length of the maximum initial segment of
+ <c><anno>String</anno></c>, which consists entirely of characters
+ not from <c><anno>Chars</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#take/3"><c>take/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:cspan("\t abcdef", " \t").
+0</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="join" arity="2"/>
+ <fsummary>Join a list of strings with separator.</fsummary>
+ <desc>
+ <p>Returns a string with the elements of <c><anno>StringList</anno></c>
+ separated by the string in <c><anno>Separator</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="lists#join/2"><c>lists:join/2</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> join(["one", "two", "three"], ", ").
+"one, two, three"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="left" arity="2"/>
+ <name name="left" arity="3"/>
+ <fsummary>Adjust left end of a string.</fsummary>
+ <desc>
+ <p>Returns <c><anno>String</anno></c> with the length adjusted in
+ accordance with <c><anno>Number</anno></c>. The left margin is
+ fixed. If <c>length(<anno>String</anno>)</c> &lt;
+ <c><anno>Number</anno></c>, then <c><anno>String</anno></c> is padded
+ with blanks or <c><anno>Character</anno></c>s.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#pad/2"><c>pad/2</c></seealso> or
+ <seealso marker="#pad/3"><c>pad/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:left("Hello",10,$.).
+"Hello....."</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="len" arity="1"/>
+ <fsummary>Return the length of a string.</fsummary>
+ <desc>
+ <p>Returns the number of characters in <c><anno>String</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#length/1"><c>length/1</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="rchr" arity="2"/>
+ <fsummary>Return the index of the last occurrence of
+ a character in a string.</fsummary>
+ <desc>
+ <p>Returns the index of the last occurrence of
+ <c><anno>Character</anno></c> in <c><anno>String</anno></c>. Returns
+ <c>0</c> if <c><anno>Character</anno></c> does not occur.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#find/3"><c>find/3</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="right" arity="2"/>
+ <name name="right" arity="3"/>
+ <fsummary>Adjust right end of a string.</fsummary>
+ <desc>
+ <p>Returns <c><anno>String</anno></c> with the length adjusted in
+ accordance with <c><anno>Number</anno></c>. The right margin is
+ fixed. If the length of <c>(<anno>String</anno>)</c> &lt;
+ <c><anno>Number</anno></c>, then <c><anno>String</anno></c> is padded
+ with blanks or <c><anno>Character</anno></c>s.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#pad/3"><c>pad/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:right("Hello", 10, $.).
+".....Hello"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="rstr" arity="2"/>
+ <fsummary>Find the index of a substring.</fsummary>
+ <desc>
+ <p>Returns the position where the last occurrence of
+ <c><anno>SubString</anno></c> begins in <c><anno>String</anno></c>.
+ Returns <c>0</c> if <c><anno>SubString</anno></c>
+ does not exist in <c><anno>String</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#find/3"><c>find/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:rstr(" Hello Hello World World ", "Hello World").
+8</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="span" arity="2"/>
+ <fsummary>Span characters at start of a string.</fsummary>
+ <desc>
+ <p>Returns the length of the maximum initial segment of
+ <c><anno>String</anno></c>, which consists entirely of characters
+ from <c><anno>Chars</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#take/2"><c>take/2</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:span("\t abcdef", " \t").
+5</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="str" arity="2"/>
+ <fsummary>Find the index of a substring.</fsummary>
+ <desc>
+ <p>Returns the position where the first occurrence of
+ <c><anno>SubString</anno></c> begins in <c><anno>String</anno></c>.
+ Returns <c>0</c> if <c><anno>SubString</anno></c>
+ does not exist in <c><anno>String</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#find/2"><c>find/2</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:str(" Hello Hello World World ", "Hello World").
+8</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="strip" arity="1"/>
+ <name name="strip" arity="2"/>
+ <name name="strip" arity="3"/>
+ <fsummary>Strip leading or trailing characters.</fsummary>
+ <desc>
+ <p>Returns a string, where leading or trailing, or both, blanks or a
+ number of <c><anno>Character</anno></c> have been removed.
+ <c><anno>Direction</anno></c>, which can be <c>left</c>, <c>right</c>,
+ or <c>both</c>, indicates from which direction blanks are to be
+ removed. <c>strip/1</c> is equivalent to
+ <c>strip(String, both)</c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#trim/3"><c>trim/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:strip("...Hello.....", both, $.).
+"Hello"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="sub_string" arity="2"/>
+ <name name="sub_string" arity="3"/>
+ <fsummary>Extract a substring.</fsummary>
+ <desc>
+ <p>Returns a substring of <c><anno>String</anno></c>, starting at
+ position <c><anno>Start</anno></c> to the end of the string, or to
+ and including position <c><anno>Stop</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#slice/3"><c>slice/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+sub_string("Hello World", 4, 8).
+"lo Wo"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="substr" arity="2"/>
+ <name name="substr" arity="3"/>
+ <fsummary>Return a substring of a string.</fsummary>
+ <desc>
+ <p>Returns a substring of <c><anno>String</anno></c>, starting at
+ position <c><anno>Start</anno></c>, and ending at the end of the
+ string or at length <c><anno>Length</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#slice/3"><c>slice/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> substr("Hello World", 4, 5).
+"lo Wo"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="sub_word" arity="2"/>
+ <name name="sub_word" arity="3"/>
+ <fsummary>Extract subword.</fsummary>
+ <desc>
+ <p>Returns the word in position <c><anno>Number</anno></c> of
+ <c><anno>String</anno></c>. Words are separated by blanks or
+ <c><anno>Character</anno></c>s.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#nth_lexeme/3"><c>nth_lexeme/3</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> string:sub_word(" Hello old boy !",3,$o).
+"ld b"</code>
+ </desc>
+ </func>
+
+ <func>
+ <name name="to_lower" arity="1" clause_i="1"/>
+ <name name="to_lower" arity="1" clause_i="2"/>
+ <name name="to_upper" arity="1" clause_i="1"/>
+ <name name="to_upper" arity="1" clause_i="2"/>
+ <fsummary>Convert case of string (ISO/IEC 8859-1).</fsummary>
+ <type variable="String" name_i="1"/>
+ <type variable="Result" name_i="1"/>
+ <type variable="Char"/>
+ <type variable="CharResult"/>
+ <desc>
+ <p>The specified string or character is case-converted. Notice that
+ the supported character set is ISO/IEC 8859-1 (also called Latin 1);
+ all values outside this set are unchanged</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso> use
+ <seealso marker="#lowercase/1"><c>lowercase/1</c></seealso>,
+ <seealso marker="#uppercase/1"><c>uppercase/1</c></seealso>,
+ <seealso marker="#titlecase/1"><c>titlecase/1</c></seealso> or
+ <seealso marker="#casefold/1"><c>casefold/1</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="tokens" arity="2"/>
+ <fsummary>Split string into tokens.</fsummary>
+ <desc>
+ <p>Returns a list of tokens in <c><anno>String</anno></c>, separated
+ by the characters in <c><anno>SeparatorList</anno></c>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> tokens("abc defxxghix jkl", "x ").
+["abc", "def", "ghi", "jkl"]</code>
+ <p>Notice that, as shown in this example, two or more
+ adjacent separator characters in <c><anno>String</anno></c>
+ are treated as one. That is, there are no empty
+ strings in the resulting list of tokens.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#lexemes/2"><c>lexemes/2</c></seealso>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="words" arity="1"/>
+ <name name="words" arity="2"/>
+ <fsummary>Count blank separated words.</fsummary>
+ <desc>
+ <p>Returns the number of words in <c><anno>String</anno></c>, separated
+ by blanks or <c><anno>Character</anno></c>.</p>
+ <p>This function is <seealso marker="#oldapi">obsolete</seealso>.
+ Use
+ <seealso marker="#lexemes/2"><c>lexemes/2</c></seealso>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> words(" Hello old boy!", $o).
+4</code>
+ </desc>
+ </func>
+ </funcs>
+
+ <section>
+ <title>Notes</title>
+ <p>Some of the general string functions can seem to overlap each
+ other. The reason is that this string package is the
+ combination of two earlier packages and all functions of
+ both packages have been retained.</p>
+ </section>
+
</erlref>
diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml
index 350847bf7d..8e828f8f56 100644
--- a/lib/stdlib/doc/src/timer.xml
+++ b/lib/stdlib/doc/src/timer.xml
@@ -270,8 +270,8 @@
<item>
<p>Evaluates <c>apply(<anno>Module</anno>, <anno>Function</anno>,
<anno>Arguments</anno>)</c> and measures the elapsed real time as
- reported by <seealso marker="kernel:os#timestamp/0">
- <c>os:timestamp/0</c></seealso>.</p>
+ reported by <seealso marker="erlang#monotonic_time/0">
+ <c>erlang:monotonic_time/0</c></seealso>.</p>
<p>Returns <c>{<anno>Time</anno>, <anno>Value</anno>}</c>, where
<c><anno>Time</anno></c> is the elapsed real time in
<em>microseconds</em>, and <c><anno>Value</anno></c> is what is