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authorSiri Hansen <[email protected]>2018-05-02 18:55:10 +0200
committerSiri Hansen <[email protected]>2018-05-07 12:02:24 +0200
commitde2965827bfb903dcfcd0a97603548b2f8e3a807 (patch)
treef14ccb16dd779c5689bee300d24d89cda53223d5 /lib/kernel
parent6aff9ab0a70e1ee3776d601c93f8697cde87b89a (diff)
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Change return type from logger_formatter:format/2
This used to be string() is now changed to unicode:chardata().
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/doc/src/logger_chapter.xml22
-rw-r--r--lib/kernel/src/logger_formatter.erl5
2 files changed, 6 insertions, 21 deletions
diff --git a/lib/kernel/doc/src/logger_chapter.xml b/lib/kernel/doc/src/logger_chapter.xml
index 78d6f46c95..36f5f6dea3 100644
--- a/lib/kernel/doc/src/logger_chapter.xml
+++ b/lib/kernel/doc/src/logger_chapter.xml
@@ -157,7 +157,7 @@
<p>A formatter is defined as a module exporting the following
function:</p>
- <code>format(Log,Extra) -> string()</code>
+ <code>format(Log,Extra) -> unicode:chardata()</code>
<p>The formatter plugin is called by each handler, and the
returned string can be printed to the handler's destination
@@ -322,19 +322,6 @@
return <c>ignore</c>.</p>
<p>Default is <c>log</c>.</p>
</item>
- <tag><c>depth = pos_integer() | unlimited</c></tag>
- <item>
- <p>Specifies if the depth of terms in the log events shall
- be limited by using control characters <c>~P</c>
- and <c>~W</c> instead of <c>~p</c> and <c>~w</c>,
- respectively. See
- <seealso marker="stdlib:io#format-1"><c>io:format</c></seealso>.</p>
- </item>
- <tag><c>max_size = pos_integer() | unlimited</c></tag>
- <item>
- <p>Specifies if the size of a log event shall be limited by
- truncating the formatted string.</p>
- </item>
<tag><c>formatter = {Module::module(),Extra::term()}</c></tag>
<item>
<p>See <seealso marker="#Formatter">Formatter</seealso> for more
@@ -347,10 +334,9 @@
<p>Note that <c>level</c> and <c>filters</c> are obeyed by
Logger itself before forwarding the log events to each
- handler, while <c>depth</c>, <c>max_size</c>
- and <c>formatter</c> are left to the handler
- implementation. All Logger's built-in handlers do apply these
- configuration parameters before printing.</p>
+ handler, while <c>formatter</c> is left to the handler
+ implementation. All Logger's built-in handlers will call the
+ given formatter before printing.</p>
</section>
</section>
diff --git a/lib/kernel/src/logger_formatter.erl b/lib/kernel/src/logger_formatter.erl
index 5358652692..8e954f8d98 100644
--- a/lib/kernel/src/logger_formatter.erl
+++ b/lib/kernel/src/logger_formatter.erl
@@ -29,7 +29,7 @@
%%%-----------------------------------------------------------------
%%% API
--spec format(Log,Config) -> String when
+-spec format(Log,Config) -> unicode:chardata() when
Log :: logger:log(),
Config :: #{single_line=>boolean(),
legacy_header=>boolean(),
@@ -38,8 +38,7 @@
max_size=>pos_integer() | unlimited,
depth=>pos_integer() | unlimited,
template=>template(),
- utc=>boolean()},
- String :: string().
+ utc=>boolean()}.
format(#{level:=Level,msg:=Msg0,meta:=Meta},Config0)
when is_map(Config0) ->
Config = add_default_config(Config0),