build: update deps

this reduces the binary size from 22MB to 15MB
(via `nix build`, as reported by `eza`)

Cargo.toml

@@ -12,3 +12,7 @@ sysinfo = "0.39.6"
 [dependencies.iced]
 version = "0.14.0"
 features = [ "canvas", "smol" ]
+
+[profile.release]
+lto = true
+codegen-units = 1

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "crane": {
       "locked": {
-        "lastModified": 1785782307,
-        "narHash": "sha256-MPaRdVkf6zZP5fCPxYCi8Dr4pZzgmXzg8T9nVEbp3Mw=",
+        "lastModified": 1790899423,
+        "narHash": "sha256-THGtz65UGJU+sonZidRboyCMk+9DclpMF7pwL4uDV4M=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "2c71e194474d13de031d729b729c968ddbe3507f",
+        "rev": "47b6b27ed9a3a9181415e4367d0c30ab2a0e0250",
         "type": "github"
       },
       "original": {
@@ -35,18 +35,15 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1785747939,
-        "narHash": "sha256-D740uKsMbgsfK2oaDenJLLPIZfq7W0/g4KN/Fls8eKs=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "104240a772428cc2e20d8fd86c9ddbb886bbaff2",
-        "type": "github"
+        "lastModified": 1791260994,
+        "narHash": "sha256-MFBjw66d4h06MvpW6lIl7RwarLteD0sk859CncGwb1Q=",
+        "rev": "151fa4e8ddfdd8dd25d945ad94ed54a13de9f6e4",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.11pre1086391.151fa4e8ddfd/nixexprs.tar.zst?lastModified=1791260994&rev=151fa4e8ddfdd8dd25d945ad94ed54a13de9f6e4"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixos-unstable/nixexprs.tar.zst"
       }
     },
     "root": {

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "https://channels.nixos.org/nixos-unstable/nixexprs.tar.zst";
 
     crane.url = "github:ipetkov/crane";
 

src/app/graph.rs

@@ -7,21 +7,21 @@ use crate::app;
 const CYAN: Color = Color::from_rgb8(0, 255, 255);
 
 #[derive(Default)]
-pub struct CpuGraph {
+pub struct Graph {
     pub cache: canvas::Cache,
     timeline: VecDeque<f32>,
 }
 
-impl CpuGraph {
-    pub fn update(&mut self, usage: f32) {
-        self.timeline.push_back(usage);
+impl Graph {
+    pub fn update(&mut self, value: f32) {
+        self.timeline.push_back(value);
         if self.timeline.len() > 1000 {
             self.timeline.pop_front();
         }
     }
 }
 
-impl canvas::Program<app::Message, Theme, Renderer> for CpuGraph {
+impl canvas::Program<app::Message, Theme, Renderer> for Graph {
     type State = ();
     fn draw(
         &self,

src/app/mod.rs

@@ -1,19 +1,19 @@
 use iced::{
-    Color, Element, Length, Renderer, Task, Theme, application, futures::SinkExt, stream::channel,
-    theme, widget,
+    Color, Element, Length, Renderer, Task, Theme, application, futures::SinkExt, stream, theme,
+    widget,
 };
 use smol::Timer;
 
-use crate::app::cpu_graph::CpuGraph;
+use crate::app::graph::Graph;
 
-mod cpu_graph;
+mod graph;
 
 enum Message {
     Cpu(f32),
 }
 
 struct State {
-    cpu_graph: CpuGraph,
+    cpu_graph: Graph,
 }
 
 impl State {
@@ -23,7 +23,7 @@ impl State {
                 cpu_graph: Default::default(),
             },
             Task::run(
-                channel(1, async |mut sender| {
+                stream::channel(1, async |mut sender| {
                     let mut sys = sysinfo::System::new();
                     let refreshes = sysinfo::RefreshKind::nothing()
                         .with_cpu(sysinfo::CpuRefreshKind::nothing().with_cpu_usage());