diff options
Diffstat (limited to 'lib/stdlib/doc')
-rw-r--r-- | lib/stdlib/doc/src/calendar.xml | 6 | ||||
-rw-r--r-- | lib/stdlib/doc/src/ets.xml | 16 | ||||
-rw-r--r-- | lib/stdlib/doc/src/file_sorter.xml | 6 | ||||
-rw-r--r-- | lib/stdlib/doc/src/io.xml | 3 | ||||
-rw-r--r-- | lib/stdlib/doc/src/io_lib.xml | 70 | ||||
-rw-r--r-- | lib/stdlib/doc/src/math.xml | 1 | ||||
-rw-r--r-- | lib/stdlib/doc/src/proc_lib.xml | 2 | ||||
-rw-r--r-- | lib/stdlib/doc/src/random.xml | 9 | ||||
-rw-r--r-- | lib/stdlib/doc/src/re.xml | 21 | ||||
-rw-r--r-- | lib/stdlib/doc/src/timer.xml | 10 | ||||
-rw-r--r-- | lib/stdlib/doc/src/zip.xml | 8 |
11 files changed, 126 insertions, 26 deletions
diff --git a/lib/stdlib/doc/src/calendar.xml b/lib/stdlib/doc/src/calendar.xml index e32a639b81..d8193a9ec2 100644 --- a/lib/stdlib/doc/src/calendar.xml +++ b/lib/stdlib/doc/src/calendar.xml @@ -270,7 +270,8 @@ <fsummary>Convert now to local date and time</fsummary> <desc> <p>This function returns local date and time converted from - the return value from <c>erlang:now()</c>.</p> + the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -279,7 +280,8 @@ <fsummary>Convert now to date and time</fsummary> <desc> <p>This function returns Universal Coordinated Time (UTC) - converted from the return value from <c>erlang:now()</c>.</p> + converted from the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml index 902a921fbf..6b9524ef63 100644 --- a/lib/stdlib/doc/src/ets.xml +++ b/lib/stdlib/doc/src/ets.xml @@ -1618,14 +1618,18 @@ true</pre> </func> <func> <name name="update_counter" arity="3" clause_i="1"/> + <name name="update_counter" arity="4" clause_i="1"/> <name name="update_counter" arity="3" clause_i="2"/> + <name name="update_counter" arity="4" clause_i="2"/> <name name="update_counter" arity="3" clause_i="3"/> + <name name="update_counter" arity="4" clause_i="3"/> <type variable="Tab"/> <type variable="Key"/> <type variable="UpdateOp" name_i="1"/> <type variable="Pos" name_i="1"/> <type variable="Threshold" name_i="1"/> <type variable="SetValue" name_i="1"/> + <type variable="Default"/> <fsummary>Update a counter object in an ETS table.</fsummary> <desc> <p>This function provides an efficient way to update one or more @@ -1667,12 +1671,22 @@ true</pre> <seealso marker="#lookup/2">lookup/2</seealso> and <seealso marker="#new/2">new/2</seealso> for details on the difference).</p> + <p>If a default object <c><anno>Default</anno></c> is given, it is used + as the object to be updated if the key is missing from the table. The + value in place of the key is ignored and replaced by the proper key + value. The return value is as if the default object had not been used, + that is a single updated element or a list of them.</p> <p>The function will fail with reason <c>badarg</c> if:</p> <list type="bulleted"> <item>the table is not of type <c>set</c> or <c>ordered_set</c>,</item> - <item>no object with the right key exists,</item> + <item>no object with the right key exists and no default object were + supplied,</item> <item>the object has the wrong arity,</item> + <item>the default object arity is smaller than + <c><![CDATA[<keypos>]]></c></item> + <item>any field from the default object being updated is not an + integer</item> <item>the element to update is not an integer,</item> <item>the element to update is also the key, or,</item> <item>any of <c><anno>Pos</anno></c>, <c><anno>Incr</anno></c>, <c><anno>Threshold</anno></c> or diff --git a/lib/stdlib/doc/src/file_sorter.xml b/lib/stdlib/doc/src/file_sorter.xml index 16572df3c5..c069333c29 100644 --- a/lib/stdlib/doc/src/file_sorter.xml +++ b/lib/stdlib/doc/src/file_sorter.xml @@ -105,9 +105,9 @@ <c>file:get_cwd()</c> is used instead. The names of temporary files are derived from the Erlang nodename (<c>node()</c>), the process identifier of the current Erlang - emulator (<c>os:getpid()</c>), and a timestamp - (<c>erlang:now()</c>); a typical name would be - <c>fs_mynode@myhost_1763_1043_337000_266005.17</c>, where + emulator (<c>os:getpid()</c>), and a unique integer + (<c>erlang:unique_integer([positive])</c>); a typical name would be + <c>fs_mynode@myhost_1763_4711.17</c>, where <c>17</c> is a sequence number. Existing files will be overwritten. Temporary files are deleted unless some uncaught EXIT signal occurs. diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml index a28180b42a..8ebfdb2e7f 100644 --- a/lib/stdlib/doc/src/io.xml +++ b/lib/stdlib/doc/src/io.xml @@ -505,7 +505,8 @@ ok <p>Writes the data with standard syntax in the same way as <c>~w</c>, but breaks terms whose printed representation is longer than one line into many lines and indents each - line sensibly. It also tries to detect lists of + line sensibly. Left justification is not supported. + It also tries to detect lists of printable characters and to output these as strings. The Unicode translation modifier is used for determining what characters are printable. For example:</p> diff --git a/lib/stdlib/doc/src/io_lib.xml b/lib/stdlib/doc/src/io_lib.xml index 3312b08064..2117d66381 100644 --- a/lib/stdlib/doc/src/io_lib.xml +++ b/lib/stdlib/doc/src/io_lib.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -59,6 +59,35 @@ <datatype> <name name="latin1_string"/> </datatype> + <datatype> + <name name="format_spec"/> + <desc><p>Description:</p> + <list type="bulleted"> + <item><p><c>control_char</c> is the type of control + sequence: <c>$P</c>, <c>$w</c>, and so on;</p> + </item> + <item><p><c>args</c> is a list of the arguments used by the + control sequence, or an empty list if the control sequence + does not take any arguments;</p> + </item> + <item><p><c>width</c> is the field width;</p> + </item> + <item><p><c>adjust</c> is the adjustment;</p> + </item> + <item><p><c>precision</c> is the precision of the printed + argument;</p> + </item> + <item><p><c>pad_char</c> is the padding character;</p> + </item> + <item><p><c>encoding</c> is set to <c>true</c> if the translation + modifier <c>t</c> is present;</p> + </item> + <item><p><c>strings</c> is set to <c>false</c> if the modifier + <c>l</c> is present.</p> + </item> + </list> + </desc> + </datatype> </datatypes> <funcs> <func> @@ -260,6 +289,45 @@ </desc> </func> <func> + <name name="scan_format" arity="2"/> + <fsummary>Parse all control sequences in the format string</fsummary> + <desc> + <p>Returns a list corresponding to the given format string, + where control sequences have been replaced with + corresponding tuples. This list can be passed to <seealso + marker="#build_text/1">io_lib:build_text/1</seealso> to have + the same effect as <c>io_lib:format(Format, Args)</c>, or to + <seealso + marker="#unscan_format/1">io_lib:unscan_format/1</seealso> + in order to get the corresponding pair of <c>Format</c> and + <c>Args</c> (with every <c>*</c> and corresponding argument + expanded to numeric values).</p> + <p>A typical use of this function is to replace unbounded-size + control sequences like <c>~w</c> and <c>~p</c> with the + depth-limited variants <c>~W</c> and <c>~P</c> before + formatting to text, e.g. in a logger.</p> + </desc> + </func> + <func> + <name name="unscan_format" arity="1"/> + <fsummary>Revert a pre-parsed format list to a plain character list + and a list of arguments</fsummary> + <desc> + <p>See <seealso + marker="#scan_format/2">io_lib:scan_format/2</seealso> for + details.</p> + </desc> + </func> + <func> + <name name="build_text" arity="1"/> + <fsummary>Build the output text for a pre-parsed format list</fsummary> + <desc> + <p>See <seealso + marker="#scan_format/2">io_lib:scan_format/2</seealso> for + details.</p> + </desc> + </func> + <func> <name name="indentation" arity="2"/> <fsummary>Indentation after printing string</fsummary> <desc> diff --git a/lib/stdlib/doc/src/math.xml b/lib/stdlib/doc/src/math.xml index 43cd20e726..7cfc8a1175 100644 --- a/lib/stdlib/doc/src/math.xml +++ b/lib/stdlib/doc/src/math.xml @@ -67,6 +67,7 @@ <name name="atanh" arity="1"/> <name name="exp" arity="1"/> <name name="log" arity="1"/> + <name name="log2" arity="1"/> <name name="log10" arity="1"/> <name name="pow" arity="2"/> <name name="sqrt" arity="1"/> diff --git a/lib/stdlib/doc/src/proc_lib.xml b/lib/stdlib/doc/src/proc_lib.xml index f27a974242..9a0ff85038 100644 --- a/lib/stdlib/doc/src/proc_lib.xml +++ b/lib/stdlib/doc/src/proc_lib.xml @@ -173,7 +173,7 @@ <name name="init_ack" arity="2"/> <fsummary>Used by a process when it has started.</fsummary> <desc> - <p>This function must used by a process that has been started by + <p>This function must be used by a process that has been started by a <seealso marker="#start/3">start[_link]/3,4,5</seealso> function. It tells <c><anno>Parent</anno></c> that the process has initialized itself, has started, or has failed to initialize diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index e001058e19..2cc621ffc3 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -70,12 +70,11 @@ <desc> <p>Seeds random number generation with integer values in the process dictionary, and returns the old state.</p> - <p>One way of obtaining a seed is to use the BIF <c>now/0</c>:</p> + <p>One easy way of obtaining a unique value to seed with is to:</p> <code type="none"> - ... - {A1,A2,A3} = now(), - random:seed(A1, A2, A3), - ...</code> + random:seed(<seealso marker="erts:erlang#phash2/1">erlang:phash2</seealso>([<seealso marker="erts:erlang#node/0">node()</seealso>]), + <seealso marker="erts:erlang#monotonic_time/0">erlang:monotonic_time()</seealso>, + <seealso marker="erts:erlang#unique_integer/0">erlang:unique_integer()</seealso>)</code> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/re.xml b/lib/stdlib/doc/src/re.xml index a1833f6a51..5af1468e9b 100644 --- a/lib/stdlib/doc/src/re.xml +++ b/lib/stdlib/doc/src/re.xml @@ -150,7 +150,11 @@ This option makes it possible to include comments inside complicated patterns. N <tag><c>no_start_optimize</c></tag> <item>This option disables optimization that may malfunction if "Special start-of-pattern items" are present in the regular expression. A typical example would be when matching "DEFABC" against "(*COMMIT)ABC", where the start optimization of PCRE would skip the subject up to the "A" and would never realize that the (*COMMIT) instruction should have made the matching fail. This option is only relevant if you use "start-of-pattern items", as discussed in the section "PCRE regular expression details" below.</item> <tag><c>ucp</c></tag> - <item>Specifies that Unicode Character Properties should be used when resolving \B, \b, \D, \d, \S, \s, \Wand \w. Without this flag, only ISO-Latin-1 properties are used. Using Unicode properties hurts performance, but is semantically correct when working with Unicode characters beyond the ISO-Latin-1 range.</item> + <item>Specifies that Unicode Character Properties should be used when + resolving \B, \b, \D, \d, \S, \s, \W and \w. Without this flag, only + ISO-Latin-1 properties are used. Using Unicode properties hurts + performance, but is semantically correct when working with Unicode + characters beyond the ISO-Latin-1 range.</item> <tag><c>never_utf</c></tag> <item>Specifies that the (*UTF) and/or (*UTF8) "start-of-pattern items" are forbidden. This flag can not be combined with <c>unicode</c>. Useful if ISO-Latin-1 patterns from an external source are to be compiled.</item> </taglist> @@ -966,7 +970,7 @@ appearance causes an error. </quote> <p>This has the same effect as setting the <c>ucp</c> option: it causes sequences such as \d and \w to use Unicode properties to determine character types, -instead of recognizing only characters with codes less than 128 via a lookup +instead of recognizing only characters with codes less than 256 via a lookup table. </p> @@ -1307,7 +1311,8 @@ By default, the definition of letters and digits is controlled by PCRE's low-valued character tables, in Erlang's case (and without the <c>unicode</c> option), the ISO-Latin-1 character set.</p> -<p>By default, in <c>unicode</c> mode, characters with values greater than 128 never match +<p>By default, in <c>unicode</c> mode, characters with values greater than 255, +i.e. all characters outside the ISO-Latin-1 character set, never match \d, \s, or \w, and always match \D, \S, and \W. These sequences retain their original meanings from before UTF support was available, mainly for efficiency reasons. However, if the <c>ucp</c> option is set, the behaviour is changed so that Unicode @@ -1954,10 +1959,10 @@ can be included in a class as a literal string of data units, or by using the upper case and lower case versions, so for example, a caseless [aeiou] matches "A" as well as "a", and a caseless [^aeiou] does not match "A", whereas a caseful version would. In a UTF mode, PCRE always understands the concept of -case for characters whose values are less than 128, so caseless matching is +case for characters whose values are less than 256, so caseless matching is always possible. For characters with higher values, the concept of case is supported if PCRE is compiled with Unicode property support, but not otherwise. -If you want to use caseless matching in a UTF mode for characters 128 and +If you want to use caseless matching in a UTF mode for characters 256 and above, you must ensure that PCRE is compiled with Unicode property support as well as with UTF support.</p> @@ -1989,7 +1994,7 @@ matches the letters in either case. For example, [W-c] is equivalent to [][\\^_`wxyzabc], matched caselessly, and in a non-UTF mode, if character tables for a French locale are in use, [\xc8-\xcb] matches accented E characters in both cases. In UTF modes, PCRE supports the concept of case for -characters with values greater than 128 only when it is compiled with Unicode +characters with values greater than 255 only when it is compiled with Unicode property support.</p> <p>The character escape sequences \d, \D, \h, \H, \p, \P, \s, \S, \v, @@ -2062,7 +2067,7 @@ by a ^ character after the colon. For example,</p> syntax [.ch.] and [=ch=] where "ch" is a "collating element", but these are not supported, and an error is given if they are encountered.</p> -<p>By default, in UTF modes, characters with values greater than 128 do not match +<p>By default, in UTF modes, characters with values greater than 255 do not match any of the POSIX character classes. However, if the PCRE_UCP option is passed to <b>pcre_compile()</b>, some of the classes are changed so that Unicode character properties are used. This is achieved by replacing the POSIX classes @@ -2081,7 +2086,7 @@ by other sequences, as follows:</p> <p>Negated versions, such as [:^alpha:] use \P instead of \p. The other POSIX classes are unchanged, and match only characters with code points less than -128.</p> +256.</p> </section> diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml index eca9a72d36..791a29689e 100644 --- a/lib/stdlib/doc/src/timer.xml +++ b/lib/stdlib/doc/src/timer.xml @@ -217,12 +217,14 @@ </func> <func> <name name="now_diff" arity="2"/> - <fsummary>Calculate time difference between <c>now/0</c>timestamps</fsummary> + <fsummary>Calculate time difference between timestamps</fsummary> <type_desc variable="Tdiff">In microseconds</type_desc> <desc> <p>Calculates the time difference <c><anno>Tdiff</anno> = <anno>T2</anno> - <anno>T1</anno></c> in - <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> probably - are timestamp tuples returned from <c>erlang:now/0</c>.</p> + <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> + are timestamp tuples on the same format as returned from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>, + or <seealso marker="kernel:os#timestamp/0"><c>os:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -234,7 +236,7 @@ </func> <func> <name name="minutes" arity="1"/> - <fsummary>Converts <c>Minutes</c>to <c>Milliseconds</c>.</fsummary> + <fsummary>Converts <c>Minutes</c> to <c>Milliseconds</c>.</fsummary> <desc> <p>Return the number of milliseconds in <c><anno>Minutes</anno></c>.</p> </desc> diff --git a/lib/stdlib/doc/src/zip.xml b/lib/stdlib/doc/src/zip.xml index 48b376743d..d201e81a79 100644 --- a/lib/stdlib/doc/src/zip.xml +++ b/lib/stdlib/doc/src/zip.xml @@ -135,6 +135,12 @@ <p>These options are described in <seealso marker="#zip_options">create/3</seealso>.</p> </desc> </datatype> + <datatype> + <name name="handle"/> + <desc> + <p>As returned by <seealso marker="#zip_open/2">zip_open/2</seealso>.</p> + </desc> + </datatype> </datatypes> <funcs> <func> @@ -430,6 +436,8 @@ means that subsequently reading files from the archive will be faster than unzipping files one at a time with <c>unzip</c>.</p> <p>The archive must be closed with <c>zip_close/1</c>.</p> + <p>The <c><anno>ZipHandle</anno></c> will be closed if the + process which originally opened the archive dies.</p> </desc> </func> <func> |