Refactor.

src/ast/ast.rs

@@ -919,6 +919,7 @@ impl<A: Into<Self>> AddAssign<A> for AST {
 
 impl AsRef<[Stmt]> for AST {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &[Stmt] {
         self.statements()
     }
@@ -927,6 +928,7 @@ impl AsRef<[Stmt]> for AST {
 #[cfg(not(feature = "no_function"))]
 impl AsRef<crate::Module> for AST {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &crate::Module {
         self.shared_lib().as_ref()
     }
@@ -935,6 +937,7 @@ impl AsRef<crate::Module> for AST {
 #[cfg(not(feature = "no_function"))]
 impl AsRef<crate::Shared<crate::Module>> for AST {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &crate::Shared<crate::Module> {
         self.shared_lib()
     }

src/ast/expr.rs

@@ -257,6 +257,7 @@ impl Hash for FloatWrapper<crate::FLOAT> {
 #[cfg(not(feature = "no_float"))]
 impl<F: Float> AsRef<F> for FloatWrapper<F> {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &F {
         &self.0
     }
@@ -265,6 +266,7 @@ impl<F: Float> AsRef<F> for FloatWrapper<F> {
 #[cfg(not(feature = "no_float"))]
 impl<F: Float> AsMut<F> for FloatWrapper<F> {
     #[inline(always)]
+    #[must_use]
     fn as_mut(&mut self) -> &mut F {
         &mut self.0
     }
@@ -275,6 +277,7 @@ impl<F: Float> Deref for FloatWrapper<F> {
     type Target = F;
 
     #[inline(always)]
+    #[must_use]
     fn deref(&self) -> &Self::Target {
         &self.0
     }
@@ -283,6 +286,7 @@ impl<F: Float> Deref for FloatWrapper<F> {
 #[cfg(not(feature = "no_float"))]
 impl<F: Float> DerefMut for FloatWrapper<F> {
     #[inline(always)]
+    #[must_use]
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.0
     }

src/ast/ident.rs

@@ -28,6 +28,7 @@ impl fmt::Debug for Ident {
 
 impl AsRef<str> for Ident {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &str {
         self.name.as_ref()
     }
@@ -37,6 +38,7 @@ impl Deref for Ident {
     type Target = ImmutableString;
 
     #[inline(always)]
+    #[must_use]
     fn deref(&self) -> &Self::Target {
         &self.name
     }
@@ -44,6 +46,7 @@ impl Deref for Ident {
 
 impl DerefMut for Ident {
     #[inline(always)]
+    #[must_use]
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.name
     }

src/ast/namespace.rs

@@ -70,6 +70,7 @@ impl Deref for Namespace {
     type Target = StaticVec<Ident>;
 
     #[inline(always)]
+    #[must_use]
     fn deref(&self) -> &Self::Target {
         &self.path
     }
@@ -77,6 +78,7 @@ impl Deref for Namespace {
 
 impl DerefMut for Namespace {
     #[inline(always)]
+    #[must_use]
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.path
     }

src/ast/stmt.rs

@@ -424,6 +424,7 @@ impl Deref for StmtBlock {
     type Target = StmtBlockContainer;
 
     #[inline(always)]
+    #[must_use]
     fn deref(&self) -> &Self::Target {
         &self.block
     }
@@ -431,6 +432,7 @@ impl Deref for StmtBlock {
 
 impl DerefMut for StmtBlock {
     #[inline(always)]
+    #[must_use]
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.block
     }
@@ -438,6 +440,7 @@ impl DerefMut for StmtBlock {
 
 impl AsRef<[Stmt]> for StmtBlock {
     #[inline(always)]
+    #[must_use]
     fn as_ref(&self) -> &[Stmt] {
         &self.block
     }
@@ -445,6 +448,7 @@ impl AsRef<[Stmt]> for StmtBlock {
 
 impl AsMut<[Stmt]> for StmtBlock {
     #[inline(always)]
+    #[must_use]
     fn as_mut(&mut self) -> &mut [Stmt] {
         &mut self.block
     }