Deprecate the stream operator

code/modules/xenobio2/controller.dm

@@ -8,11 +8,11 @@
 	if(!holder)	return
 
 	if(!xenobio_controller || !xenobio_controller.gene_tag_masks)
-		usr << "Gene masks not set."
+		to_chat(usr, "Gene masks not set.")
 		return
 
 	for(var/mask in xenobio_controller.gene_tag_masks)
-		usr << "[mask]: [xenobio_controller.gene_tag_masks[mask]]"
+		to_chat(usr, "[mask]: [xenobio_controller.gene_tag_masks[mask]]")
 
 var/global/datum/controller/xenobio/xenobio_controller // Set in New().
 

code/modules/xenobio2/machinery/injector.dm

@@ -48,11 +48,11 @@
 
 /obj/machinery/xenobio2/manualinjector/proc/move_into_injector(var/mob/user,var/mob/living/victim)
 	if(src.occupant)
-		user << "<span class='danger'>The injector is full, empty it first!</span>"
+		to_chat(user, "<span class='danger'>The injector is full, empty it first!</span>")
 		return
 
 	if(!(istype(victim, /mob/living/simple_mob/xeno)) && !emagged)
-		user << "<span class='danger'>This is not a suitable subject for the injector!</span>"
+		to_chat(user, "<span class='danger'>This is not a suitable subject for the injector!</span>")
 		return
 
 	user.visible_message("<span class='danger'>[user] starts to put [victim] into the injector!</span>")
@@ -116,14 +116,14 @@
 				var/obj/machinery/computer/xenobio2/C = P.connectable
 				computer = C
 				C.injector = src
-				user << "<span class='warning'> You link the [src] to the [P.connectable]!</span>"
+				to_chat(user, "<span class='warning'> You link the [src] to the [P.connectable]!</span>")
 		else
-			user << "<span class='warning'> You store the [src] in the [P]'s buffer!</span>"
+			to_chat(user, "<span class='warning'> You store the [src] in the [P]'s buffer!</span>")
 			P.connectable = src
 		return
 
 	if(panel_open)
-		user << "<span class='warning'>Close the panel first!</span>"
+		to_chat(user, "<span class='warning'>Close the panel first!</span>")
 
 	var/obj/item/weapon/grab/G = W
 
@@ -131,7 +131,7 @@
 		return ..()
 
 	if(G.state < 2)
-		user << "<span class='danger'>You need a better grip to do that!</span>"
+		to_chat(user, "<span class='danger'>You need a better grip to do that!</span>")
 		return
 
 	move_into_injector(user,G.affecting)

code/modules/xenobio2/machinery/injector_computer.dm

@@ -38,9 +38,9 @@
 				var/obj/machinery/xenobio2/manualinjector/I = P.connectable
 				injector = I
 				I.computer = src
-				user << "<span class='warning'> You link the [src] to the [P.connectable]!</span>"
+				to_chat(user, "<span class='warning'> You link the [src] to the [P.connectable]!</span>")
 		else
-			user << "<span class='warning'> You store the [src] in the [P]'s buffer!</span>"
+			to_chat(user, "<span class='warning'> You store the [src] in the [P]'s buffer!</span>")
 			P.connectable = src
 		return
 

code/modules/xenobio2/machinery/slime_replicator.dm

@@ -44,10 +44,10 @@
 		return ..()
 
 	if(core)
-		user << "<span class='warning'>[src] is already filled!</span>"
+		to_chat(user, "<span class='warning'>[src] is already filled!</span>")
 		return
 	if(panel_open)
-		user << "<span class='warning'>Close the panel first!</span>"
+		to_chat(user, "<span class='warning'>Close the panel first!</span>")
 	core = G
 	user.drop_from_inventory(G)
 	G.forceMove(src)

code/modules/xenobio2/mob/slime/slime_monkey.dm

@@ -10,7 +10,7 @@ Slime cube lives here.
 
 /obj/item/slime_cube/attack_self(mob/user as mob)
 	if(!searching)
-		user << "<span class='warning'>You stare at the slimy cube, watching as some activity occurs.</span>"
+		to_chat(user, "<span class='warning'>You stare at the slimy cube, watching as some activity occurs.</span>")
 		request_player()
 
 /obj/item/slime_cube/proc/request_player()
@@ -38,7 +38,7 @@ Slime cube lives here.
 	src.searching = 2
 	var/mob/living/carbon/human/S = new(get_turf(src))
 	S.client = candidate.client
-	S. << "<b>You are a promethean, brought into existence on [station_name()].</b>"
+	to_chat(S., "<b>You are a promethean, brought into existence on [station_name()].</b>")
 	S.mind.assigned_role = "Promethean"
 	S.set_species("Promethean")
 	S.shapeshifter_set_colour("#05FF9B")

code/modules/xenobio2/tools/xeno_trait_scanner.dm

@@ -21,7 +21,7 @@
 
 /obj/item/device/analyzer/xeno_analyzer/proc/print_report(var/mob/living/user)
 	if(!last_data)
-		user << "There is no scan data to print."
+		to_chat(user, "There is no scan data to print.")
 		return
 	var/obj/item/weapon/paper/P = new /obj/item/weapon/paper(get_turf(src))
 	P.name = "paper - [form_title]"
@@ -65,7 +65,7 @@
 		prod_reagents = P.reagents
 
 	if(!trait_info)
-		user << "<span class='danger'>[src] can tell you nothing about \the [target].</span>"
+		to_chat(user, "<span class='danger'>[src] can tell you nothing about \the [target].</span>")
 		return
 
 	form_title = "[targetName]"