Add abillity to reverse

README.adoc

@@ -47,7 +47,7 @@ define-command sort-selections -params 0.. %{
 
             # TODO: Send additional parameters
 
-            rust-selection-sort -r "$regex" $args -- "$@" > "$kak_command_fifo"
+            rust-selection-sort -R "$regex" $args -- "$@" > "$kak_command_fifo"
         }
         exec R
     }

src/main.rs

@@ -12,12 +12,14 @@ struct Options {
     #[clap(short = 'S', long)]
     // TODO: Can we invert a boolean? This name is terrible
     no_skip_whitespace: bool,
-    #[clap(short, long, required = true)]
+    #[clap(short = 'R', long, required = true)]
     regex: String,
     #[clap(multiple_occurrences = true, required = true)]
     selections: Vec<String>,
     #[clap(short, long)]
     lexicographic_sort: bool,
+    #[clap(short, long)]
+    reverse: bool,
 }
 
 fn main() {
@@ -91,7 +93,14 @@ fn run() -> Result<(), KakMessage> {
     });
 
     print!("reg '\"'");
-    for i in &zipped {
+
+    let iter: Box<dyn Iterator<Item = _>> = if options.reverse {
+        Box::new(zipped.iter().rev())
+    } else {
+        Box::new(zipped.iter())
+    };
+
+    for i in iter {
         let new_selection = i.0.replace('\'', "''");
         print!(" '{}'", new_selection);
     }