Enumeration

enum LogLevel

public enum LogLevel <: ToString {
    | OFF
    | ERROR
    | WARN
    | INFO
    | DEBUG
    | TRACE
    | ALL
}

Description: Indicates the print level.

Seven logging levels are defined, which are OFF, ERROR, WARN, INFO, DEBUG, TRACE, and ALL in ascending order.

In the implementation of the SimpleLogger class, the logging level and the level of each log are specified. Only the logs whose levels are lower than or equal to the specified print level are printed to the output stream.

Parent Type:

• ToString

ALL

ALL

Description: Constructs an enumeration instance of the logging level of ALL.

DEBUG

DEBUG

Description: Constructs an enumeration instance of the logging level of DEBUG.

ERROR

ERROR

Description: Constructs an enumeration instance of the logging level of ERROR.

INFO

INFO

Description: Constructs an enumeration instance of the logging level of INFO.

OFF

OFF

Description: Constructs an enumeration instance of the logging level of OFF.

TRACE

TRACE

Description: Constructs an enumeration instance of the logging level of TRACE.

WARN

WARN

Description: Constructs an enumeration instance of the logging level of WARN.

func level()

public func level(): Int64

Description: Obtains the number corresponding to a log level, such as 1 for OFF and 2 for ERROR. The number increases by 1 in sequence.

Returns:

• Int64: number corresponding to the current log level

func toString()

public func toString(): String

Description: Obtains the name of a log level.

Returns:

• String: name of the current log level

operator func >=(LogLevel)

public operator func >=(target: LogLevel): Bool

Description: Compares two log levels.

Parameters:

• target: LogLevel: target to be compared with the current log level

Returns:

• Bool: If the current log level is higher than or equal to target, true is returned. Otherwise, false is returned.