Epand lints

Cargo.toml

@@ -8,13 +8,28 @@ license-file = "LICENSE.md"
 resolver = "2"
 rust-version = "1.85.0"
 
-[workspace.lints.rust]
+[lints.rust]
+arithmetic_overflow = "forbid"
 unsafe_code = "forbid"
 
+[lints.clippy]
+arithmetic_side_effects = "forbid"
+as_conversions = "forbid"
+checked_conversions = "forbid"
+default_union_representation = "forbid"
+expect_used = "forbid"
+indexing_slicing = "forbid"
+integer_division = "forbid"
+integer_division_remainder_used = "forbid"
+transmute_undefined_repr = "forbid"
+unchecked_duration_subtraction = "forbid"
+unwrap_used = "forbid"
+
 [profile.release]
 codegen-units = 1
 lto = "fat"
 opt-level = 3
+overflow-checks = true
 strip = "debuginfo"
 
 [dependencies]

src/lib.rs

@@ -1,5 +1,5 @@
 pub fn add(left: usize, right: usize) -> usize {
-	left + right
+	left.wrapping_add(right)
 }
 
 #[cfg(test)]