/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Critical()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Critical"/>)
/// if Critical is enabled; null otherwise
/// </returns>
public static LogWithLevel?Critical(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Critical);
/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Warn()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Warning"/>)
/// if Warning is enabled; null otherwise
/// </returns>
public static LogWithLevel?Warn(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Warning);
/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Error()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Error"/>)
/// if Error is enabled; null otherwise
/// </returns>
public static LogWithLevel?Error(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Error);
/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Info()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Information"/>)
/// if Information is enabled; null otherwise
/// </returns>
public static LogWithLevel?Info(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Information);
/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Debug()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Debug"/>)
/// if Debug is enabled; null otherwise
/// </returns>
public static LogWithLevel?Debug(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Debug);
/// <summary>
/// One-line shortcut builder. Usage:
/// <code>
/// logger.Trace()?.Log($"message: {GetMessage()}");
/// </code>
/// </summary>
/// <returns>
/// struct <see cref="LogWithLevel"/>(<paramref name="logger"/>, <see cref="LogLevel.Trace"/>)
/// if Trace is enabled; null otherwise
/// </returns>
public static LogWithLevel?Trace(this ILogger logger) =>
LogWithLevel.CreateIfEnabled(logger, LogLevel.Trace);