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-rw-r--r--lib/stdlib/doc/src/calendar.xml97
1 files changed, 96 insertions, 1 deletions
diff --git a/lib/stdlib/doc/src/calendar.xml b/lib/stdlib/doc/src/calendar.xml
index 65b3edcdf6..5aee635c38 100644
--- a/lib/stdlib/doc/src/calendar.xml
+++ b/lib/stdlib/doc/src/calendar.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -317,6 +317,32 @@
</func>
<func>
+ <name name="rfc3339_to_system_time" arity="1"/>
+ <name name="rfc3339_to_system_time" arity="2"/>
+ <fsummary>Convert from RFC 3339 timestamp to system time.</fsummary>
+ <type name="rfc3339_string"/>
+ <type name="rfc3339_time_unit"/>
+ <desc>
+ <p>Converts an RFC 3339 timestamp into system time. The data format
+ of RFC 3339 timestamps is described by
+ <url href="https://www.ietf.org/rfc/rfc3339.txt">RFC 3339</url>.</p>
+ <p>Valid option:</p>
+ <taglist>
+ <tag><c>{unit, Unit}</c></tag>
+ <item><p>The time unit of the return value.
+ The default is <c>second</c>.</p>
+ </item>
+ </taglist>
+ <pre>
+1> <input>calendar:rfc3339_to_system_time("2018-02-01T16:17:58+01:00").</input>
+1517498278
+2> <input>calendar:rfc3339_to_system_time("2018-02-01 15:18:02.088Z",
+ [{unit, nanosecond}]).</input>
+1517498282088000000</pre>
+ </desc>
+ </func>
+
+ <func>
<name name="seconds_to_daystime" arity="1"/>
<fsummary>Compute days and time from seconds.</fsummary>
<desc>
@@ -339,6 +365,75 @@
</func>
<func>
+ <name name="system_time_to_local_time" arity="2"/>
+ <fsummary>Convert system time to local date and time.</fsummary>
+ <desc>
+ <p>Converts a specified system time into local date and time.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_time_to_rfc3339" arity="1"/>
+ <name name="system_time_to_rfc3339" arity="2"/>
+ <fsummary>Convert from system to RFC 3339 timestamp.</fsummary>
+ <type name="offset"/>
+ <type name="rfc3339_string"/>
+ <type name="rfc3339_time_unit"/>
+ <desc>
+ <p>Converts a system time into an RFC 3339 timestamp. The data format
+ of RFC 3339 timestamps is described by
+ <url href="https://www.ietf.org/rfc/rfc3339.txt">RFC 3339</url>.
+ The data format of offsets is also described by RFC 3339.</p>
+ <p>Valid options:</p>
+ <taglist>
+ <tag><c>{offset, Offset}</c></tag>
+ <item><p>The offset, either a string or an integer, to be
+ included in the formatted string.
+ An empty string, which is the default, is interpreted
+ as local time. A non-empty string is included as is.
+ The time unit of the integer is the same as the one
+ of <c><anno>Time</anno></c>.</p>
+ </item>
+ <tag><c>{time_designator, Character}</c></tag>
+ <item><p>The character used as time designator, that is,
+ the date and time separator. The default is <c>$T</c>.</p>
+ </item>
+ <tag><c>{unit, Unit}</c></tag>
+ <item><p>The time unit of <c><anno>Time</anno></c>. The
+ default is <c>second</c>. If some other unit is given
+ (<c>millisecond</c>, <c>microsecond</c>, or
+ <c>nanosecond</c>), the formatted string includes a
+ fraction of a second. The number of fractional second
+ digits is three, six, or nine depending on what time unit
+ is chosen. Notice that trailing zeros are not removed from
+ the fraction.
+ </p>
+ </item>
+ </taglist>
+ <pre>
+1> <input>calendar:system_time_to_rfc3339(erlang:system_time(second)).</input>
+"2018-04-23T14:56:28+02:00"
+2> <input>calendar:system_time_to_rfc3339(erlang:system_time(second),
+ [{offset, "-02:00"}]).</input>
+"2018-04-23T10:56:52-02:00"
+3> <input>calendar:system_time_to_rfc3339(erlang:system_time(second),
+ [{offset, -7200}]).</input>
+"2018-04-23T10:57:05-02:00"
+4> <input>calendar:system_time_to_rfc3339(erlang:system_time(millisecond),
+ [{unit, millisecond}, {time_designator, $\s}, {offset, "Z"}]).</input>
+"2018-04-23 12:57:20.482Z"</pre>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_time_to_universal_time" arity="2"/>
+ <fsummary>Convert system time to universal date and time.</fsummary>
+ <desc>
+ <p>Converts a specified system time into universal date and time.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="time_difference" arity="2"/>
<fsummary>Compute the difference between two times (deprecated).
</fsummary>