diff --git a/src/timer.rs b/src/timer.rs
index 1d5de30..2323be9 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -1,9 +1,11 @@
 use crate::integer::{Time,Ratio64};
 
+#[derive(Clone,Copy,Debug)]
 pub struct Paused;
+#[derive(Clone,Copy,Debug)]
 pub struct Unpaused;
 
-pub trait PauseState{
+pub trait PauseState:Copy{
 	const IS_PAUSED:bool;
 	fn new()->Self;
 }
@@ -20,6 +22,7 @@ impl PauseState for Unpaused{
 	}
 }
 
+#[derive(Clone,Copy,Debug)]
 pub struct Realtime{
 	offset:Time,
 }
@@ -28,6 +31,8 @@ impl Realtime{
 		Self{offset:Time::ZERO}
 	}
 }
+
+#[derive(Clone,Copy,Debug)]
 pub struct Scaled{
 	scale:Ratio64,
 	offset:Time,
@@ -52,7 +57,7 @@ impl Scaled{
 	}
 }
 
-pub trait TimerState{
+pub trait TimerState:Copy{
 	fn get_time(&self,time:Time)->Time;
 	fn set_time(&mut self,time:Time,new_time:Time);
 	fn get_offset(&self)->Time;
@@ -87,6 +92,7 @@ impl TimerState for Scaled{
 	}
 }
 
+#[derive(Clone,Copy,Debug)]
 pub struct TimerFixed<T:TimerState,P:PauseState>{
 	state:T,
 	_paused:P,