public CliOpt(CliOptSpec cliOptSpec, string?argument)
{
RequireTrue(
cliOptSpec.OptArgUsage != OptArgUsage.Required || argument.IsAString(),
$"Option {cliOptSpec.Option} requires an argument"
);
CliOptSpec = cliOptSpec;
Argument = null == argument ? None : Some(argument);
}
public CliOpt(CliOptSpec cliOptSpec) : this(cliOptSpec, null)
{
}
