Mercurial > hg > CbC > CbC_gcc
view libphobos/src/std/experimental/logger/nulllogger.d @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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/// 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 { import std.experimental.logger.nulllogger : LogLevel; 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"); }