/// <param name="helpBuilder">The current help builder.</param>
/// <param name="command">The command for which help is being formatted.</param>
/// <param name="output">A text writer to write output to.</param>
/// <param name="parseResult">The result of the current parse operation.</param>
public HelpContext(
HelpBuilder helpBuilder,
Command command,
TextWriter output,
ParseResult?parseResult = null)
{
HelpBuilder = helpBuilder ?? throw new ArgumentNullException(nameof(helpBuilder));
Command = command ?? throw new ArgumentNullException(nameof(command));
Output = output ?? throw new ArgumentNullException(nameof(output));
ParseResult = parseResult ?? ParseResult.Empty();
}
/// <summary>
/// Writes help output for the specified command.
/// </summary>
/// <param name="builder">The help builder to write with.</param>
/// <param name="command">The command for which to write help output.</param>
/// <param name="writer">The writer to write output to.</param>
public static void Write(
this IHelpBuilder builder,
ICommand command,
TextWriter writer) =>
builder.Write(command, writer, ParseResult.Empty());