perf: use smallvec

Cargo.lock

@@ -1459,6 +1459,8 @@ dependencies = [
  "rlimit",
  "serde",
  "serde_json",
+ "smallvec",
+ "strum 0.27.2",
  "tikv-jemallocator",
  "tokio",
  "tokio-util",
@@ -1583,7 +1585,7 @@ dependencies = [
  "itertools 0.13.0",
  "lru",
  "paste",
- "strum",
+ "strum 0.26.3",
  "unicode-segmentation",
  "unicode-truncate",
  "unicode-width 0.2.0",
@@ -1996,7 +1998,16 @@ version = "0.26.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
 dependencies = [
- "strum_macros",
+ "strum_macros 0.26.4",
+]
+
+[[package]]
+name = "strum"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
+dependencies = [
+ "strum_macros 0.27.2",
 ]
 
 [[package]]
@@ -2012,6 +2023,18 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "strum_macros"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "subtle"
 version = "2.6.1"

Cargo.toml

@@ -41,6 +41,11 @@ reqwest-middleware = "=0.4.2"
 rlimit = "=0.10.2"
 serde = "=1.0.228"
 serde_json = "=1.0.145"
+smallvec = { version = "=1.15.1", features = [
+    "const_generics",
+    "union",
+], optional = true }
+strum = { version = "=0.27.2", features = ["derive"], optional = true }
 tokio = { version = "=1.47.1", features = ["full"] }
 tokio-util = "=0.7.16"
 toml = "=0.9.7"
@@ -64,7 +69,14 @@ jemalloc = ["dep:tikv-jemallocator"]
 mimalloc_v2 = ["dep:mimalloc"]
 mimalloc_v3 = ["dep:mimalloc", "mimalloc/v3"]
 tokio-current-thread = []
-tui = ["dep:crossterm", "dep:futures", "dep:ratatui", "dep:tui-logger"]
+tui = [
+    "dep:crossterm",
+    "dep:futures",
+    "dep:smallvec",
+    "dep:strum",
+    "dep:ratatui",
+    "dep:tui-logger",
+]
 
 [profile.release]
 strip = true

src/proxy.rs

@@ -16,6 +16,7 @@ use crate::{
 #[derive(
     Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord, serde::Serialize,
 )]
+#[cfg_attr(feature = "tui", derive(strum::EnumCount))]
 #[serde(rename_all = "lowercase")]
 pub enum ProxyType {
     Http,

src/tui.rs

@@ -17,6 +17,7 @@ use ratatui::{
     text::{Line, Text},
     widgets::{Block, Gauge},
 };
+use strum::EnumCount as _;
 use tui_logger::{TuiLoggerWidget, TuiWidgetEvent, TuiWidgetState};
 
 use crate::{
@@ -205,7 +206,8 @@ fn draw(f: &mut Frame<'_>, state: &AppState, logger_state: &TuiWidgetState) {
     );
     drop(ipdb_layout);
 
-    let mut proxy_types: Vec<_> = state.sources_total.keys().collect();
+    let mut proxy_types: smallvec::SmallVec<[_; ProxyType::COUNT]> =
+        state.sources_total.keys().collect();
     proxy_types.sort_unstable();
 
     let proxies_layout = Layout::default()