1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
module std.experimental.logger.nulllogger;
import std.experimental.logger.core;
/** The $(D NullLogger) will not process any log messages.
In case of a log message with $(D LogLevel.fatal) nothing will happen.
*/
class NullLogger : Logger
{
/** The default constructor for the $(D NullLogger).
Independent of the parameter this Logger will never log a message.
Params:
lv = The $(D LogLevel) for the $(D NullLogger). By default the $(D LogLevel)
for $(D NullLogger) is $(D LogLevel.all).
*/
this(const LogLevel lv = LogLevel.all) @safe
{
super(lv);
this.fatalHandler = delegate() {};
}
override protected void writeLogMsg(ref LogEntry payload) @safe @nogc
{
}
}
///
@safe unittest
{
auto nl1 = new NullLogger(LogLevel.all);
nl1.info("You will never read this.");
nl1.fatal("You will never read this, either and it will not throw");
}
|
