perf: use more Vec::with_capacity

Universal-Debloater-Alliance · Dec 8, 2024 · 89680fc · 89680fc
1 parent ac056dd
commit 89680fc
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/src/gui/views/list.rs b/src/gui/views/list.rs
@@ -127,7 +127,12 @@ impl List {
                 Command::none()
             }
             Message::ModalValidate => {
-                let mut commands = vec![];
+                let mut commands = Vec::with_capacity(
+                    self.selected_packages
+                        .len()
+                        .checked_mul(2)
+                        .unwrap_or_else(|| unreachable!()),
+                );
                 self.selected_packages.sort_unstable();
                 self.selected_packages.dedup();
                 for selection in &self.selected_packages {

diff --git a/src/gui/views/settings.rs b/src/gui/views/settings.rs
@@ -176,7 +176,13 @@ impl Settings {
             }
             Message::RestoreDevice => match restore_backup(phone, packages, &self.device) {
                 Ok(r_packages) => {
-                    let mut commands = vec![];
+                    let mut commands = Vec::with_capacity(
+                        r_packages
+                            .len()
+                            // assume ~2 cmds per pack
+                            .checked_mul(2)
+                            .unwrap_or_else(|| unreachable!()),
+                    );
                     *nb_running_async_adb_commands = 0;
                     for p in &r_packages {
                         let p_info = PackageInfo {