Working c like parsing

parser/src/grammar.pest

@@ -17,19 +17,19 @@ top_level = _{ import | function_decl | struct_decl | package }
 
 package = { "package" ~ identifier ~ ";" }
 
-export = { "export" }
+export = { "public" }
 
 import = { "import" ~ string_lit ~ ";" }
 
 param_list = { param ~ ("," ~ param)* ~ ","? }
-param      = { export? ~ identifier ~ ":" ~ type_expr }
+param      = { export? ~ type_expr ~ identifier }
 
 struct_decl = {
     export? ~ "struct" ~ identifier ~ "{" ~ param_list? ~ "}"
 }
 
 function_decl = {
-    export? ~ "function" ~ identifier ~ "(" ~ param_list? ~ ")" ~ (":" ~ type_expr)? ~ block
+    export? ~ type_expr ~ identifier ~ "(" ~ param_list? ~ ")" ~ block
 }
 
 // ================= STATEMENTS =================