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-rw-r--r--erts/doc/src/erl.xml6
-rw-r--r--erts/doc/src/erlang.xml22
-rw-r--r--erts/doc/src/match_spec.xml57
3 files changed, 54 insertions, 31 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index d11f6b0c6d..16000191dc 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -1145,9 +1145,9 @@
<tag><marker id="+secio"><c>+secio true|false</c></marker></tag>
<item>
<p>Enable or disable eager check I/O scheduling. The default
- is currently <c>false</c>, but will most likely be changed
- to <c>true</c> in OTP 18. The behaviour before this flag
- was introduced corresponds to <c>+secio false</c>.</p>
+ is currently <c>true</c>. The default was changed from <c>false</c>
+ to <c>true</c> as of erts version 7.0. The behaviour before this
+ flag was introduced corresponds to <c>+secio false</c>.</p>
<p>The flag effects when schedulers will check for I/O
operations possible to execute, and when such I/O operations
will execute. As the name of the parameter implies,
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 483d81cfb6..f9e8717847 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -1252,10 +1252,11 @@ true
<fsummary>Check if a function is exported and loaded</fsummary>
<desc>
<p>Returns <c>true</c> if the module <c><anno>Module</anno></c> is loaded
- and contains an exported function <c><anno>Function</anno>/<anno>Arity</anno></c>;
- otherwise <c>false</c>.</p>
- <p>Returns <c>false</c> for any BIF (functions implemented in C
- rather than in Erlang).</p>
+ and contains an exported function <c><anno>Function</anno>/<anno>Arity</anno></c>,
+ or if there is a BIF (a built-in function implemented in C)
+ with the given name; otherwise returns <c>false</c>.</p>
+ <note><p>This function used to return false for built-in
+ functions before the 18.0 release.</p></note>
</desc>
</func>
<func>
@@ -1376,6 +1377,19 @@ true
</desc>
</func>
<func>
+ <name name="get_keys" arity="0"/>
+ <fsummary>Return a list of all keys from the process dictionary</fsummary>
+ <desc>
+ <p>Returns a list of keys all keys present in the process dictionary.</p>
+ <pre>
+> <input>put(dog, {animal,1}),</input>
+<input>put(cow, {animal,2}),</input>
+<input>put(lamb, {animal,3}),</input>
+<input>get_keys().</input>
+[dog,cow,lamb]</pre>
+ </desc>
+ </func>
+ <func>
<name name="get_keys" arity="1"/>
<fsummary>Return a list of keys from the process dictionary</fsummary>
<desc>
diff --git a/erts/doc/src/match_spec.xml b/erts/doc/src/match_spec.xml
index 334b47d34c..b4cc8e9f78 100644
--- a/erts/doc/src/match_spec.xml
+++ b/erts/doc/src/match_spec.xml
@@ -76,22 +76,26 @@
{ GuardFunction, ConditionExpression, ... }
</item>
<item>BoolFunction ::= <c><![CDATA[is_atom]]></c> |
- <c><![CDATA[is_float]]></c> | <c><![CDATA[is_integer]]></c> | <c><![CDATA[is_list]]></c> |
- <c><![CDATA[is_number]]></c> | <c><![CDATA[is_pid]]></c> | <c><![CDATA[is_port]]></c> |
- <c><![CDATA[is_reference]]></c> | <c><![CDATA[is_tuple]]></c> | <c><![CDATA[is_binary]]></c> |
- <c><![CDATA[is_function]]></c> | <c><![CDATA[is_record]]></c> | <c><![CDATA[is_seq_trace]]></c> |
- <c><![CDATA['and']]></c> | <c><![CDATA['or']]></c> | <c><![CDATA['not']]></c> | <c><![CDATA['xor']]></c> |
- <c><![CDATA[andalso]]></c> | <c><![CDATA[orelse]]></c></item>
+ <c><![CDATA[is_float]]></c> | <c><![CDATA[is_integer]]></c> |
+ <c><![CDATA[is_list]]></c> | <c><![CDATA[is_number]]></c> |
+ <c><![CDATA[is_pid]]></c> | <c><![CDATA[is_port]]></c> |
+ <c><![CDATA[is_reference]]></c> | <c><![CDATA[is_tuple]]></c> |
+ <c><![CDATA[is_map]]></c> | <c><![CDATA[is_binary]]></c> |
+ <c><![CDATA[is_function]]></c> | <c><![CDATA[is_record]]></c> |
+ <c><![CDATA[is_seq_trace]]></c> | <c><![CDATA['and']]></c> |
+ <c><![CDATA['or']]></c> | <c><![CDATA['not']]></c> |
+ <c><![CDATA['xor']]></c> | <c><![CDATA[andalso]]></c> |
+ <c><![CDATA[orelse]]></c></item>
<item>ConditionExpression ::= ExprMatchVariable | { GuardFunction } |
{ GuardFunction, ConditionExpression, ... } | TermConstruct
</item>
<item>ExprMatchVariable ::= MatchVariable (bound in the MatchHead) |
<c><![CDATA['$_']]></c> | <c><![CDATA['$$']]></c></item>
- <item>TermConstruct = {{}} | {{ ConditionExpression, ... }} |
- <c><![CDATA[[]]]></c> | [ConditionExpression, ...] | NonCompositeTerm | Constant
- </item>
- <item>NonCompositeTerm ::= term() (not list or tuple)
- </item>
+ <item>TermConstruct = {{}} | {{ ConditionExpression, ... }} |
+ <c><![CDATA[[]]]></c> | [ConditionExpression, ...] |
+ <c><![CDATA[#{}]]></c> | #{term() => ConditionExpression, ...} |
+ NonCompositeTerm | Constant</item>
+ <item>NonCompositeTerm ::= term() (not list or tuple or map)</item>
<item>Constant ::= {<c><![CDATA[const]]></c>, term()}
</item>
<item>GuardFunction ::= BoolFunction | <c><![CDATA[abs]]></c> |
@@ -134,22 +138,26 @@
{ GuardFunction, ConditionExpression, ... }
</item>
<item>BoolFunction ::= <c><![CDATA[is_atom]]></c> |
- <c><![CDATA[is_float]]></c> | <c><![CDATA[is_integer]]></c> | <c><![CDATA[is_list]]></c> |
- <c><![CDATA[is_number]]></c> | <c><![CDATA[is_pid]]></c> | <c><![CDATA[is_port]]></c> |
- <c><![CDATA[is_reference]]></c> | <c><![CDATA[is_tuple]]></c> | <c><![CDATA[is_binary]]></c> |
- <c><![CDATA[is_function]]></c> | <c><![CDATA[is_record]]></c> | <c><![CDATA[is_seq_trace]]></c> |
- <c><![CDATA['and']]></c> | <c><![CDATA['or']]></c> | <c><![CDATA['not']]></c> | <c><![CDATA['xor']]></c> |
- <c><![CDATA[andalso]]></c> | <c><![CDATA[orelse]]></c></item>
+ <c><![CDATA[is_float]]></c> | <c><![CDATA[is_integer]]></c> |
+ <c><![CDATA[is_list]]></c> | <c><![CDATA[is_number]]></c> |
+ <c><![CDATA[is_pid]]></c> | <c><![CDATA[is_port]]></c> |
+ <c><![CDATA[is_reference]]></c> | <c><![CDATA[is_tuple]]></c> |
+ <c><![CDATA[is_map]]></c> | <c><![CDATA[is_binary]]></c> |
+ <c><![CDATA[is_function]]></c> | <c><![CDATA[is_record]]></c> |
+ <c><![CDATA[is_seq_trace]]></c> | <c><![CDATA['and']]></c> |
+ <c><![CDATA['or']]></c> | <c><![CDATA['not']]></c> |
+ <c><![CDATA['xor']]></c> | <c><![CDATA[andalso]]></c> |
+ <c><![CDATA[orelse]]></c></item>
<item>ConditionExpression ::= ExprMatchVariable | { GuardFunction } |
{ GuardFunction, ConditionExpression, ... } | TermConstruct
</item>
<item>ExprMatchVariable ::= MatchVariable (bound in the MatchHead) |
<c><![CDATA['$_']]></c> | <c><![CDATA['$$']]></c></item>
<item>TermConstruct = {{}} | {{ ConditionExpression, ... }} |
- <c><![CDATA[[]]]></c> | [ConditionExpression, ...] | NonCompositeTerm | Constant
- </item>
- <item>NonCompositeTerm ::= term() (not list or tuple)
- </item>
+ <c><![CDATA[[]]]></c> | [ConditionExpression, ...] | #{} |
+ #{term() => ConditionExpression, ...} | NonCompositeTerm |
+ Constant</item>
+ <item>NonCompositeTerm ::= term() (not list or tuple or map)</item>
<item>Constant ::= {<c><![CDATA[const]]></c>, term()}
</item>
<item>GuardFunction ::= BoolFunction | <c><![CDATA[abs]]></c> |
@@ -172,9 +180,10 @@
<title>Functions allowed in all types of match specifications</title>
<p>The different functions allowed in <c><![CDATA[match_spec]]></c> work like this:
</p>
- <p><em>is_atom, is_float, is_integer, is_list, is_number, is_pid, is_port, is_reference, is_tuple, is_binary, is_function: </em> Like the corresponding guard tests in
- Erlang, return <c><![CDATA[true]]></c> or <c><![CDATA[false]]></c>.
- </p>
+ <p><em>is_atom, is_float, is_integer, is_list, is_number, is_pid, is_port,
+ is_reference, is_tuple, is_map, is_binary, is_function:</em> Like the
+ corresponding guard tests in Erlang, return <c><![CDATA[true]]></c> or
+ <c><![CDATA[false]]></c>.</p>
<p><em>is_record: </em>Takes an additional parameter, which SHALL
be the result of <c><![CDATA[record_info(size, <record_type>)]]></c>,
like in <c><![CDATA[{is_record, '$1', rectype, record_info(size, rectype)}]]></c>.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 09:26:29 +0000