ログチャンネルを使用してログを出力する[Verse]

using { /UnrealEngine.com/Temporary/Diagnostics }

log_test := class(log_channel):

log_test_print := class(creative_device):

    Logger:log = log{Channel := log_test, DefaultLevel := log_level.Error}

    OnBegin<override>()<suspends>:void=
        Logger.Print("Test Default Log")
        Logger.Print("Test Debug Log", ?Level := log_level.Debug)
        Logger.Print("Test Verbose Log", ?Level := log_level.Verbose)
        Logger.Print("Test Normal Log", ?Level := log_level.Normal)
        Logger.Print("Test Warning Log", ?Level := log_level.Warning)
        Logger.Print("Test Error Log", ?Level := log_level.Error)

        # log levels available for various log commands
        log_level<native><public> := enum:
            Debug
            Verbose
            Normal
            Warning
            Error

        # log_channel is the base class used to define log channels. When printing a message to a log, the log channel class name will be prefixed to the output message.
        log_channel<native><public> := class<abstract>:

        # log class to send messages to the default log
        log<native><public> := class:
            # Channel class name will be added as a prefix used when printing the message e.g. '[log_channel]: #Message
            Channel<native><public>:subtype(log_channel)

            # Sets the default log level of the displayed message. See log_level enum for more info on log levels. Defaults to log_level.Normal.
            DefaultLevel<native><public>:log_level = external {}

            # Print message using the given log level
            (log:)Print<native><public>(Message:string, ?Level:log_level = external {})<computes>:void

            # Prints current script call stack using the give log level
            PrintCallStack<native><public>(?Level:log_level = external {})<computes>:void

using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }

log_test := class(log_channel):

log_test_print := class(creative_device):

    Logger:log = log{Channel := log_test, DefaultLevel := log_level.Error}

    OnBegin<override>()<suspends>:void=
        Logger.Print("Test Default Log")
        Logger.Print("Test Debug Log", ?Level := log_level.Debug)
        Logger.Print("Test Verbose Log", ?Level := log_level.Verbose)
        Logger.Print("Test Normal Log", ?Level := log_level.Normal)
        Logger.Print("Test Warning Log", ?Level := log_level.Warning)
        Logger.Print("Test Error Log", ?Level := log_level.Error)

using { /UnrealEngine.com/Temporary/Diagnostics }

my_log_channel<public> := class(log_channel):
 
# A project-wide "Logger" to print messages from functions that are not in a class with a log.
# The non-Logger Print is <no_rollback>, so it can't be used in a <transacts> function.
ProjectLog<public>(Message:[]char, ?Level:log_level = log_level.Normal)<transacts>:void=
    Logger := log{Channel := my_log_channel}
    Logger.Print(Message, ?Level := Level)

# Usage:
ProjectLog("EndGame: Player has won!", ?Level := log_level.Verbose)
    
# You don't have to specify the Level
ProjectLog("Hello Verse!")