diff --git a/LANGUAGE.md b/LANGUAGE.md
index 9e87c3b..97842a7 100644
--- a/LANGUAGE.md
+++ b/LANGUAGE.md
@@ -881,6 +881,8 @@ This only works on strings:
 
 `a ; b`: evaluate a, discard its result, then evaluate b. Returns the result of b.
 
+`a;`: evaluate a, discard its result, returns nil.
+
 `a : b`: evaluate a and b, returns a new pair with a as key and b as value.
 
 `a :: b`: evaluate a and b, returns a new typed value with a as value and b as type.
diff --git a/parser/common.lua b/parser/common.lua
index a1a84a3..3bb6185 100644
--- a/parser/common.lua
+++ b/parser/common.lua
@@ -46,6 +46,7 @@ common = {
 		"_^_",
 		"_._", "_!_",
 		-- suffix unop
+		"_;",
 		"_!",
 		-- special
 		"()",
diff --git a/parser/expression.lua b/parser/expression.lua
index dc58f59..7884566 100644
--- a/parser/expression.lua
+++ b/parser/expression.lua
@@ -31,7 +31,7 @@ local prefix_unops_prio = {
 	[12] = { "&" }
 }
 local suffix_unops_prio = {
-	[1] = {},
+	[1] = { ";" },
 	[2] = {},
 	[3] = {},
 	[4] = {},
diff --git a/stdlib/functions.lua b/stdlib/functions.lua
index b408c48..adcb1ab 100644
--- a/stdlib/functions.lua
+++ b/stdlib/functions.lua
@@ -7,6 +7,10 @@ lua_functions = {
 		mode = "raw",
 		value = function(a, b) return b end
 	},
+	["_;(a)"] = {
+		mode = "raw",
+		value = function(a) return { type = "nil", value = nil } end
+	},
 	-- comparaison
 	["_==_(a, b)"] = {
 		mode = "raw",