Struct decleration

src/parser/grammar.pest

@@ -13,14 +13,19 @@ inner_str  = @{ (!"\"" ~ ANY)* }
 
 // ================= TOP LEVEL =================
 
-top_level = _{ import | function_decl }
+top_level = _{ import | function_decl | struct_decl }
 
 export = { "export"? }
 
 import = { "import" ~ string_lit ~ ";" }
 
-param_list    = { param ~ ("," ~ param)* ~ ","? }
-param         = { identifier ~ ":" ~ type_expr }
+param_list = { param ~ ("," ~ param)* ~ ","? }
+param      = { identifier ~ ":" ~ type_expr }
+
+struct_decl = {
+    export ~ "struct" ~ identifier ~ "{" ~ param_list? ~ "}"
+}
+
 function_decl = {
     export ~ "function" ~ identifier ~ "(" ~ param_list? ~ ")" ~ (":" ~ type_expr)? ~ block
 }