Logger

a utility class for displaying diagnostic messages

class Logger {

enum Verbosity;

Verbosity verbosity;

ILogSink[] sinks;

this(Verbosity verbosity);

void write_line(Verbosity level, A a);

void trace(A a);

void info(A a);

void warn(A a);

void err(A a);

void crit(A a);

interface ILogSink;

class ConsoleSink;

class FileSink;

}

Constructors

this this(Verbosity verbosity): initialize a logger with a given verbosity

Members

Classes

ConsoleSink class ConsoleSink: a sink that outputs to the console
FileSink class FileSink: a sink that outputs to a file

Enums

Verbosity enum Verbosity: how verbose the messages are

Functions

crit void crit(A a): writes a message at CRITICAL verbosity
err void err(A a): writes a message at ERROR verbosity
info void info(A a): writes a message at INFO verbosity
trace void trace(A a): writes a message at TRACE verbosity
warn void warn(A a): writes a message at WARNING verbosity
write_line void write_line(Verbosity level, A a): writes a message

Interfaces

ILogSink interface ILogSink: a sink that accepts log messages

Variables

sinks ILogSink[] sinks;: message output targets
verbosity Verbosity verbosity;: maximum message verbosity

Meta

Source

See Implementation

re util logger classes

Logger