what do send

src/main.rs

@@ -35,7 +35,7 @@ fn main() {
     });
 
     let pat_clone = Arc::clone(&pattern);
-    thread::spawn(|| loop {
+    thread::spawn(move || loop {
         websocket(&pat_clone);
     });
 

src/util/pattern.rs

@@ -7,7 +7,7 @@ use std::sync::RwLockWriteGuard;
 
 pub type ParseError = Box<dyn std::error::Error>;
 
-pub trait Pattern {
+pub trait Pattern: Send {
     fn execute(&self, values: &mut RwLockWriteGuard<'_, [RawColor; crate::LED_SIZE]>);
     fn parse(args: Vec<String>) -> Result<Self, ParseError> where Self: Sized;
 }

src/util/webserver.rs

@@ -7,7 +7,7 @@ pub fn websocket(pattern: &Arc<Mutex<Vec<Box<dyn Pattern>>>>) {
     let server = TcpListener::bind("0.0.0.0:29999").unwrap();
     for stream in server.incoming() {
         let clone = Arc::clone(pattern);
-        thread::spawn (|| {
+        thread::spawn (move || {
             let mut websocket = accept(stream.unwrap()).unwrap();
             loop {
                 let input = websocket.read_message().unwrap();