arg parsing works

src/arg/mod.rs

@@ -127,7 +127,7 @@ fn parse<I: IntoIterator<Item=String>>(args: I) -> eyre::Result<Mode>
 		parsing::consume(args, &mut buffer);
 		break;
 	    },
-	    parsing::Continue::Abort(Some(change_to)) => return Ok(change_to.try_into_mode(buffer).unwrap()),
+	    parsing::Continue::Abort(Some(change_to)) => return Ok(*change_to),
 	    parsing::Continue::Abort(_) => break,
 	    _ => (),
 	}

src/arg/parsing.rs

@@ -99,7 +99,7 @@ impl Argument
 	    },
 	    #[cfg(feature="inspect")] SaveRawStdout => cfg.serialise_output = Some(OutputSerialisationMode::RawStdout),
 
-	    LimitRecurse(limit) => cfg.recursive = config::Recursion::Limited(limit),
+	    LimitRecurse(limit) => cfg.recursive = if limit.get() == 1 { config::Recursion::None } else { config::Recursion::Limited(limit) },
 	    UnlimitRecurse => cfg.recursive = config::Recursion::Unlimited,
 
 	    LogVerbose => cfg.output_level = config::OutputLevel::Verbose,
@@ -108,7 +108,7 @@ impl Argument
 
 	    Input(path) => cfg.paths.push(path.into()),
 	    
-	    _ => unreachable!(),
+	    _ => (), //unreachable()! // Do nothing instead of panic.
 	}
     }
 }
@@ -123,7 +123,7 @@ impl fmt::Display for Argument
 	    ModeChangeHelp => write!(f, "--help"),
 	    LimitConcMaxProc => write!(f, "-m"),
 	    LimitConc(limit) => write!(f, "--threads {}", limit),
-	    UnlimitConc => write!(f, "-M"),
+	    UnlimitConc => write!(f, "-M (--threads 0)"),
 	    
 	    Save(s) => write!(f, "--save {:?}", s),
 	    SaveStdout => write!(f, "-D"),
@@ -131,7 +131,7 @@ impl fmt::Display for Argument
 	    SaveRawStdout => write!(f, "-R"),
 
 	    LimitRecurse(rec) => write!(f, "--recursive {}", rec),
-	    UnlimitRecurse => write!(f, "-r"),
+	    UnlimitRecurse => write!(f, "-r (--recursive 0)"),
 
 	    LogVerbose => write!(f, "-v"),
 	    LogQuiet => write!(f, "-q"),
@@ -255,7 +255,7 @@ impl Argument
 }
 
 /// Should we continue parsing and/or reading arguments?
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub enum Continue
 {
     /// Keep parsing the arguments
@@ -268,7 +268,7 @@ pub enum Continue
     // Box `Argument` to reduce the size of `Continue`, as it is returned from functions often and when its value is set to `Some` it will always be the last `Argument` processed anyway and the only one to be boxed here at all.
 
     //TODO: Deprecate the early return of an `Argument` here. Either change it to `Mode`, or have no early return. Mode change happens at the bottom in `into_mode` now.
-    Abort(Option<Box<Argument>>),
+    Abort(Option<Box<Mode>>),
 }
 
 impl Continue
@@ -326,8 +326,8 @@ fn save_output(output: &mut Output, item: Argument) -> eyre::Result<()>
 {
     if let Some(mx) = output.iter().filter(|arg| item.is_mx_with(arg)).next() {
 	return Err(eyre!("Arguments are mutually exclusive"))
-	    .with_section(|| item.header("Trying to add"))
+	    .with_section(|| item.header("Trying to addargument "))
-	    .with_section(|| mx.to_string().header("Which is mutually exclusive with"));
+	    .with_section(|| mx.to_string().header("Which is mutually exclusive with previously added"));
     }
 
     output.insert(item); //TODO: Warn when adding duplicate?
@@ -358,7 +358,8 @@ where I: Iterator<Item=String>
 	},
     };
     
-    save_output(output, item)?;
+    save_output(output, item)
+        .with_section(|| this.header("Short argument was"))?;
     
     Ok(Continue::Yes)
 }
@@ -388,8 +389,19 @@ where I: Iterator<Item=String>
 		None => Argument::UnlimitConc,
 	    }
 	},
+	"--recursive" => {
+	    let max = args.next().ok_or(eyre!("`--recursive` expects a parameter"))
+		.with_suggestion(suggestion_intended_arg.clone())?;
+	    match NonZeroUsize::new(max.parse::<usize>().wrap_err(eyre!("`--recursive` expects a non-negative number"))
+				    .with_suggestion(suggestion_intended_arg.clone())
+				    .with_section(move || max.header("Parameter given was"))?)
+	    {
+		Some(x) => Argument::LimitRecurse(x),
+		None => Argument::UnlimitRecurse,
+	    }
+	},
 	"--help" => {
-	    return Ok(Continue::Abort(Some(Box::new(Argument::ModeChangeHelp))));
+	    return Ok(Continue::Abort(Some(Box::new(Mode::Help))));
 	},
 	"-" => {
 	    return Ok(Continue::No);
@@ -408,7 +420,9 @@ where I: Iterator<Item=String>
 	},
 	single if single.starts_with("-") => {
 	    for ch in single.chars().skip(1) {
-		match parse_single(args, output, ch)? {
+		match parse_single(args, output, ch)
+		    .wrap_err(eyre!("Error parsing short argument"))
+		    .with_section(|| this.clone().header("Full short argument chain was"))? {
 			abort @ Continue::Abort(Some(_)) => return Ok(abort),
 			x @ Continue::No |
 			x @ Continue::Abort(_) if !x.is_abort() => keep_reading = x,
@@ -442,7 +456,10 @@ mod modes {
     {
 	let mut cfg = Config::default();
 
-	//TODO: Consume `args` into `cfg` for Normal mode, then return `cfg.`
+	for arg in args.into_iter()
+	{
+	    arg.insert_into_cfg(&mut cfg);
+	}
 
 	Ok(cfg)
     }

src/main.rs

@@ -173,6 +173,7 @@ async fn parse_mode() -> eyre::Result<()>
     match arg::parse_args().wrap_err(eyre!("Failed to parse args"))?
     {
 	arg::Mode::Normal(cfg) => {
+	    #[cfg(debug_assertions)] eprintln!("cfg: {:#?}", cfg);
 	    normal(cfg).await
 	},
 	arg::Mode::Help => arg::help(),