From 08f428def210a1c836c4ac16f59d00969bd26b14 Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Mon, 30 Jan 2023 13:03:47 +0800
Subject: [PATCH] Fix diagnostic messages.

---
 src/api/formatting.rs | 6 +++---
 src/bin/rhai-run.rs   | 1 +
 src/eval/chaining.rs  | 1 +
 src/types/fn_ptr.rs   | 1 +
 4 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/api/formatting.rs b/src/api/formatting.rs
index 9a342d10..07441f49 100644
--- a/src/api/formatting.rs
+++ b/src/api/formatting.rs
@@ -3,8 +3,8 @@ use crate::packages::iter_basic::{BitRange, CharsStream, StepRange};
 use crate::parser::{ParseResult, ParseState};
 use crate::types::StringsInterner;
 use crate::{
-    Engine, ExclusiveRange, FnPtr, ImmutableString, InclusiveRange, OptimizationLevel, Position,
-    RhaiError, SmartString, ERR,
+    Engine, ExclusiveRange, FnPtr, ImmutableString, InclusiveRange, Position, RhaiError,
+    SmartString, ERR,
 };
 use std::any::type_name;
 #[cfg(feature = "no_std")]
@@ -288,7 +288,7 @@ impl Engine {
             stream.peekable(),
             &mut state,
             #[cfg(not(feature = "no_optimize"))]
-            OptimizationLevel::None,
+            crate::OptimizationLevel::None,
             #[cfg(feature = "no_optimize")]
             (),
         )?;
diff --git a/src/bin/rhai-run.rs b/src/bin/rhai-run.rs
index 470bf42c..4d59fc65 100644
--- a/src/bin/rhai-run.rs
+++ b/src/bin/rhai-run.rs
@@ -51,6 +51,7 @@ fn main() {
         };
 
         // Initialize scripting engine
+        #[allow(unused_mut)]
         let mut engine = Engine::new();
 
         #[cfg(not(feature = "no_optimize"))]
diff --git a/src/eval/chaining.rs b/src/eval/chaining.rs
index b7f12554..6833e923 100644
--- a/src/eval/chaining.rs
+++ b/src/eval/chaining.rs
@@ -543,6 +543,7 @@ impl Engine {
         let op_pos = parent.position();
 
         #[cfg(feature = "debugging")]
+        #[allow(unused_mut)]
         let mut this_ptr = this_ptr;
 
         match ChainType::from(parent) {
diff --git a/src/types/fn_ptr.rs b/src/types/fn_ptr.rs
index 155eaa27..b73246a7 100644
--- a/src/types/fn_ptr.rs
+++ b/src/types/fn_ptr.rs
@@ -71,6 +71,7 @@ impl FnPtr {
     /// Create a new function pointer without checking its parameters.
     #[inline(always)]
     #[must_use]
+    #[allow(dead_code)]
     pub(crate) fn new_unchecked(
         name: impl Into<ImmutableString>,
         curry: StaticVec<Dynamic>,