improve flip-bool

modules/desktop-environment/default.nix

@@ -8,6 +8,7 @@
     ./dm.nix
     ./tlp.nix
     ./locale.nix
+    ./printing.nix
   ];
   services.flatpak.enable = true;
   security.polkit.enable = true;

modules/desktop-environment/printing.nix

@@ -11,10 +11,9 @@
       ptouch-driver
       epsonscan2
       epson-escpr
-      epson-inkjet-printer-escpr2
+      epson-escpr2
       epson_201207w
       epson-alc1100
-      epson
     ];
   };
 }

modules/shell/helix.nix

@@ -102,7 +102,7 @@
               d = "@<C-w>vgd";
               f = "@<C-w>vgy";
               h = ":toggle-option lsp.display-inlay-hints";
-              t = "@|flip-bool<ret>";
+              t = ":pipe flip-bool";
             };
           };
           insert = {

programs/flip-bool/src/main.rs

@@ -4,7 +4,6 @@
 #![feature(pattern)]
 
 use std::{
-    hint::black_box,
     io::{Read, Write},
     str::pattern::Pattern,
 };
@@ -86,29 +85,27 @@ fn find_bools(input: &str) -> [[Vec<usize>; 2]; BOOL_COUNT] {
             input
                 .match_indices(it)
                 .filter_map(|it| {
-                    let char_guard = |c: char| !(c.is_alphanumeric() || c.is_contained_in("-_"));
+                    fn char_guard(c: char) -> bool {
-                    let mut allow = true;
+                        !(c.is_alphanumeric() || c.is_contained_in("-_"))
+                    }
 
-                    if it.0 > 0 {
+                    let last_idx = it.0 + it.1.len();
-                        allow &= char_guard(
+
+                    (it.0 > 0
+                        && last_idx < input.len()
+                        && char_guard(
                             input[it.1.floor_char_boundary(it.0 - 1)..it.0]
                                 .chars()
                                 .last()
                                 .unwrap(),
-                        );
+                        )
-                    }
+                        && char_guard(
-
-                    let last_idx = it.0 + it.1.len();
-                    if last_idx < input.len() {
-                        allow &= char_guard(
                             input[(last_idx)..(input.ceil_char_boundary(last_idx + 1))]
                                 .chars()
                                 .last()
                                 .unwrap(),
-                        );
+                        ))
-                    }
+                    .then_some(it.0)
-
-                    allow.then_some(it.0)
                 })
                 .collect()
         })