From fd44ee68874ca2a6ecf86a98a556db1ed36a3ae1 Mon Sep 17 00:00:00 2001
From: David Mak <chmakac@connect.ust.hk>
Date: Mon, 11 Mar 2024 14:25:37 +0800
Subject: [PATCH] core: Apply clippy suggestions

---
 nac3core/build.rs                           | 2 +-
 nac3core/src/typecheck/typedef/mod.rs       | 2 +-
 nac3standalone/src/basic_symbol_resolver.rs | 3 ++-
 nac3standalone/src/main.rs                  | 3 ++-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/nac3core/build.rs b/nac3core/build.rs
index 5ed3acf..91060f9 100644
--- a/nac3core/build.rs
+++ b/nac3core/build.rs
@@ -21,7 +21,7 @@ fn main() {
         match env::var("PROFILE").as_deref() {
             Ok("debug") => "-O0",
             Ok("release") => "-O3",
-            flavor => panic!("Unknown or missing build flavor {:?}", flavor),
+            flavor => panic!("Unknown or missing build flavor {flavor:?}"),
         },
         "-emit-llvm",
         "-S",
diff --git a/nac3core/src/typecheck/typedef/mod.rs b/nac3core/src/typecheck/typedef/mod.rs
index c3c1c75..f9eb73f 100644
--- a/nac3core/src/typecheck/typedef/mod.rs
+++ b/nac3core/src/typecheck/typedef/mod.rs
@@ -699,7 +699,7 @@ impl Unifier {
                 self.set_a_to_b(a, x);
             }
             (TVar { fields: Some(fields), range, is_const_generic: false, .. }, TTuple { ty }) => {
-                let len = ty.len() as i32;
+                let len = i32::try_from(ty.len()).unwrap();
                 for (k, v) in fields {
                     match *k {
                         RecordKey::Int(i) => {
diff --git a/nac3standalone/src/basic_symbol_resolver.rs b/nac3standalone/src/basic_symbol_resolver.rs
index e483c6d..d7fb1b8 100644
--- a/nac3standalone/src/basic_symbol_resolver.rs
+++ b/nac3standalone/src/basic_symbol_resolver.rs
@@ -74,7 +74,8 @@ impl SymbolResolver for Resolver {
         if let Some(id) = str_store.get(s) {
             *id
         } else {
-            let id = str_store.len() as i32;
+            let id = i32::try_from(str_store.len())
+                .expect("Symbol resolver string store size exceeds max capacity (i32::MAX)");
             str_store.insert(s.to_string(), id);
             id
         }
diff --git a/nac3standalone/src/main.rs b/nac3standalone/src/main.rs
index f11acd1..6c4b4ab 100644
--- a/nac3standalone/src/main.rs
+++ b/nac3standalone/src/main.rs
@@ -247,6 +247,8 @@ fn handle_assignment_pattern(
 }
 
 fn main() {
+    const SIZE_T: u32 = usize::BITS;
+
     let cli = CommandLineArgs::parse();
     let CommandLineArgs {
         file_name,
@@ -287,7 +289,6 @@ fn main() {
         // The default behavior for -O<n> where n>3 defaults to O3 for both Clang and GCC
         _ => OptimizationLevel::Aggressive,
     };
-    const SIZE_T: u32 = 64;
 
     let program = match fs::read_to_string(file_name.clone()) {
         Ok(program) => program,