get rid of unused braces

src/main.rs

@@ -1,7 +1,7 @@
-mod ast;
+pub mod ast;
-mod name_res;
+pub mod name_res;
-mod parser;
+pub mod parser;
-mod utils;
+pub mod utils;
 
 use std::fs::{File, OpenOptions};
 use std::io::{Read, Write};
@@ -35,7 +35,7 @@ fn main() -> Result<()> {
 
     let namespaces = Namespaces::create(parsed);
     println!("namespaces: {:?}", namespaces);
-    namespaces.name_resolution();
+    let tree = namespaces.name_resolution();
 
     let isa = {
         use std::str::FromStr;

src/parser.rs

@@ -1,9 +1,13 @@
 use anyhow::Result;
-use lalrpop_util::lalrpop_mod;
 
 use crate::ast::Program;
 
+mod parser {
+    #![allow(unused_braces)]
+    use lalrpop_util::lalrpop_mod;
     lalrpop_mod!(parser);
+    pub use self::parser::*;
+}
 
 pub fn parse(s: impl AsRef<str>) -> Result<Program> {
     let s = s.as_ref().to_owned();