Add __len metamethod proxying

src/Sandbox/Sandbox.lua

@@ -148,6 +148,13 @@ function Sandbox.new(options)
 					end
 					-- TODO -- self:ActivityEvent("DoneIterating", real)
 				end)), self:Import(real)
+			end,
+			__len = function(object)
+				self:ProcessTermination()
+				self:TrackThread()
+
+				local real = self:GetClean(object)
+				return #real
 			end
 			-- __metatable = "The metatable is locked."
 		},
@@ -201,6 +208,13 @@ function Sandbox.new(options)
 					end
 					-- TODO -- self:ActivityEvent("DoneIterating", real)
 				end), real
+			end,
+			__len = function(object)
+				self:ProcessTermination()
+				self:TrackThread()
+
+				local real = self:GetClean(object)
+				return #real
 			end
 			-- __metatable = "The metatable is locked."
 		}

src/Tests/H6x/Detection/TableLen.lua

@@ -0,0 +1,6 @@
+return function(H6x)
+	local sandbox = H6x.Sandbox.new()
+	assert(sandbox:ExecuteFunction(function(tab)
+		return #tab
+	end, {1, 2, 3}) == 3, "Table length does not match.")
+end

wally.toml

@@ -1,7 +1,7 @@
 [package]
 name = "hexcede/h6x"
 description = "A luau utility for constructing sandboxes to run code within."
-version = "2.1.2"
+version = "2.1.3"
 license = "MIT"
 authors = ["Hexcede"]
 registry = "https://github.com/UpliftGames/wally-index"