diff --git a/src/instruction.rs b/src/instruction.rs
index 08a27bb..df07598 100644
--- a/src/instruction.rs
+++ b/src/instruction.rs
@@ -19,14 +19,14 @@ pub struct InstructionCollector<I>{
 	instruction:Option<I>,
 }
 impl<I> InstructionCollector<I>{
-	pub fn new(time:Time)->Self{
+	pub const fn new(time:Time)->Self{
 		Self{
 			time,
 			instruction:None
 		}
 	}
 	#[inline]
-	pub fn time(&self)->Time{
+	pub const fn time(&self)->Time{
 		self.time
 	}
 	pub fn collect(&mut self,instruction:Option<TimedInstruction<I>>){
@@ -50,4 +50,4 @@ impl<I> InstructionCollector<I>{
 			None=>None,
 		}
 	}
-}
\ No newline at end of file
+}