discover ternary method on bool

strafe-client/src/physics.rs

@@ -1142,8 +1142,8 @@ impl PhysicsContext{
 				.map_or(None,|(face,dt)|{
 					// this must be rounded to avoid the infinite loop when hitting the start zone
 					let time=relative_body.time+dt.into();
-					if time<=state.time{None}else{Some((time,face,dt))}})
-				.map(|(time,face,dt)|
+					(state.time<time).then_some((time,face,dt))
+				}).map(|(time,face,dt)|
 					TimedInstruction{
 						time,
 						instruction:PhysicsInternalInstruction::CollisionStart(