From 87d5d3117eba795be49b580582c188f69a20f106 Mon Sep 17 00:00:00 2001
From: Selimaj Dev <klesti.selimay@icloud.com>
Date: Fri, 1 May 2026 18:20:25 +0200
Subject: [PATCH] Updated grammar

---
 parser/src/grammar.pest | 15 ++++++++++-----
 test/src/main.mist      |  2 +-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/parser/src/grammar.pest b/parser/src/grammar.pest
index 0be7182..1019796 100644
--- a/parser/src/grammar.pest
+++ b/parser/src/grammar.pest
@@ -11,19 +11,24 @@ boolean    =  { "true" | "false" }
 string_lit =  { "\"" ~ inner_str ~ "\"" }
 inner_str  = @{ (!"\"" ~ ANY)* }
 
+// ================= PREREQUISITES =================
+export     = { "public" }
+mutable    = { "mut" }
+var_decl_1 = { type_expr ~ mutable? ~ identifier }
+
 // ================= TOP LEVEL =================
 
 top_level = _{ import | function_decl | struct_decl }
 
-export = { "public" }
-
 import = { "import" ~ string_lit ~ ";" }
 
-param_list = { param ~ ("," ~ param)* ~ ","? }
-param      = { export? ~ type_expr ~ identifier }
+field_list = { field ~ ("," ~ field)* ~ ","? }
+field      = { export? ~ type_expr ~ identifier }
+
+param_list = { var_decl_1 ~ ("," ~ var_decl_1)* ~ ","? }
 
 struct_decl = {
-    export? ~ "struct" ~ identifier ~ "{" ~ param_list? ~ "}"
+    export? ~ "struct" ~ identifier ~ "{" ~ field_list? ~ "}"
 }
 
 function_decl = {
diff --git a/test/src/main.mist b/test/src/main.mist
index 8df4404..aaed729 100644
--- a/test/src/main.mist
+++ b/test/src/main.mist
@@ -3,7 +3,7 @@ public struct Idk {
     int b,
 }
 
-int test(int a, int b) {
+int test(int mut a, int b) {
     Idk bro = Idk { a: 10, b: 10 };
     return a + b + bro.a;
 }