diff --git a/lib/init.lua b/lib/init.lua
index 2953c3a..d68ccc8 100644
--- a/lib/init.lua
+++ b/lib/init.lua
@@ -50,6 +50,15 @@ end
 **--]]
 t.boolean = t.typeof("boolean")
 
+--[[**
+	ensures Lua primitive buffer type
+
+	@param value The value to check against
+
+	@returns True iff the condition is satisfied, false otherwise
+**--]]
+t.buffer = t.typeof("buffer")
+
 --[[**
 	ensures Lua primitive thread type
 
@@ -106,6 +115,15 @@ t.table = t.typeof("table")
 **--]]
 t.userdata = t.type("userdata")
 
+--[[**
+	ensures Lua primitive vector type
+
+	@param value The value to check against
+
+	@returns True iff the condition is satisfied, false otherwise
+**--]]
+t.vector = t.typeof("vector")
+
 --[[**
 	ensures value is a number and non-NaN
 
diff --git a/lib/t.d.ts b/lib/t.d.ts
index f9f46df..97fdd3c 100644
--- a/lib/t.d.ts
+++ b/lib/t.d.ts
@@ -12,6 +12,8 @@ interface t {
 	any: t.check<defined>;
 	/** checks to see if `value` is a boolean */
 	boolean: t.check<boolean>;
+	/** checks to see if `value` is a buffer */
+	buffer: t.check<buffer>;
 	/** checks to see if `value` is a thread */
 	thread: t.check<thread>;
 	/** checks to see if `value` is a function */
@@ -32,6 +34,8 @@ interface t {
 	table: t.check<object>;
 	/** checks to see if `value` is a userdata */
 	userdata: t.check<object>;
+	/** checks to see if `value` is a vector (Vector3 in Roblox) */
+	vector: t.check<Vector3>;
 
 	// roblox types
 	/** checks to see if `value` is an Axes */
diff --git a/lib/ts.lua b/lib/ts.lua
index fb594a3..d2eebd2 100644
--- a/lib/ts.lua
+++ b/lib/ts.lua
@@ -50,6 +50,15 @@ end
 **--]]
 t.boolean = t.typeof("boolean")
 
+--[[**
+	ensures Lua primitive buffer type
+
+	@param value The value to check against
+
+	@returns True iff the condition is satisfied, false otherwise
+**--]]
+t.buffer = t.typeof("buffer")
+
 --[[**
 	ensures Lua primitive thread type
 
@@ -106,6 +115,15 @@ t.table = t.typeof("table")
 **--]]
 t.userdata = t.type("userdata")
 
+--[[**
+	ensures Lua primitive vector type
+
+	@param value The value to check against
+
+	@returns True iff the condition is satisfied, false otherwise
+**--]]
+t.vector = t.typeof("vector")
+
 --[[**
 	ensures value is a number and non-NaN