Replaces typesof with subtypesof where applicable

code/modules/research/rdconsole.dm

@@ -57,7 +57,7 @@ won't update every console in existence) but it's more of a hassle to do. Also,
 /obj/machinery/computer/rdconsole/proc/CallTechName(var/ID) //A simple helper proc to find the name of a tech with a given ID.
 	var/datum/tech/check_tech
 	var/return_name = null
-	for(var/T in typesof(/datum/tech) - /datum/tech)
+	for(var/T in subtypesof(/datum/tech))
 		check_tech = null
 		check_tech = new T()
 		if(check_tech.id == ID)
@@ -91,7 +91,7 @@ won't update every console in existence) but it's more of a hassle to do. Also,
 			if("clown")
 				return_name = "Bananium"
 	else
-		for(var/R in typesof(/datum/reagent) - /datum/reagent)
+		for(var/R in subtypesof(/datum/reagent))
 			temp_reagent = null
 			temp_reagent = new R()
 			if(temp_reagent.id == ID)

code/modules/research/research.dm

@@ -53,9 +53,9 @@ research holder datum.
 	var/list/known_designs = list()			//List of available designs (at base reliability).
 
 /datum/research/New()		//Insert techs into possible_tech here. Known_tech automatically updated.
-	for(var/T in typesof(/datum/tech) - /datum/tech)
+	for(var/T in subtypesof(/datum/tech))
 		possible_tech += new T(src)
-	for(var/D in typesof(/datum/design) - /datum/design)
+	for(var/D in subtypesof(/datum/design))
 		possible_designs += new D(src)
 	RefreshResearch()
 
@@ -140,7 +140,7 @@ research holder datum.
 						D.reliability = min(100, D.reliability + rand(1,3))
 						if(I.crit_fail)
 							D.reliability = min(100, D.reliability + rand(3, 5))
-							
+
 /datum/research/proc/FindDesignByID(var/id)
 	for(var/datum/design/D in known_designs)
 		if(D.id == id)
@@ -148,9 +148,9 @@ research holder datum.
 
 //Autolathe files
 /datum/research/autolathe/New()
-	for(var/T in (typesof(/datum/tech) - /datum/tech))
+	for(var/T in subtypesof(/datum/tech))
 		possible_tech += new T(src)
-	for(var/path in typesof(/datum/design) - /datum/design)
+	for(var/path in subtypesof(/datum/design))
 		var/datum/design/D = new path(src)
 		possible_designs += D
 		if((D.build_type & AUTOLATHE) && ("initial" in D.category))  //autolathe starts without hacked designs
@@ -278,7 +278,7 @@ datum/tech/robotics
 /obj/item/weapon/disk/tech_disk/New()
 	src.pixel_x = rand(-5.0, 5)
 	src.pixel_y = rand(-5.0, 5)
-	
+
 /obj/item/weapon/disk/design_disk
 	name = "Component Design Disk"
 	desc = "A disk for storing device design data for construction in lathes."

code/modules/research/xenoarchaeology/artifact/artifact_unknown.dm

@@ -72,12 +72,12 @@ var/list/valid_secondary_effect_types = list(\
 	..()
 
 	//setup primary effect - these are the main ones (mixed)
-	var/effecttype = pick(typesof(/datum/artifact_effect) - /datum/artifact_effect)
+	var/effecttype = pick(subtypesof(/datum/artifact_effect))
 	my_effect = new effecttype(src)
 
 	//75% chance to have a secondary stealthy (and mostly bad) effect
 	if(prob(75))
-		effecttype = pick(typesof(/datum/artifact_effect) - /datum/artifact_effect)
+		effecttype = pick(subtypesof(/datum/artifact_effect))
 		secondary_effect = new effecttype(src)
 		if(prob(75))
 			secondary_effect.ToggleActivate(0)

code/modules/research/xenoarchaeology/finds/finds.dm

@@ -324,8 +324,7 @@
 			apply_image_decorations = 0
 			apply_material_decorations = 0
 		if(24)
-			var/list/possible_spawns = typesof(/obj/item/weapon/stock_parts)
-			possible_spawns -= /obj/item/weapon/stock_parts
+			var/list/possible_spawns = subtypesof(/obj/item/weapon/stock_parts)
 			possible_spawns -= /obj/item/weapon/stock_parts/subspace
 
 			var/new_type = pick(possible_spawns)