Protect Vm

4 files changed, 4 insertions, 4 deletions

diff --git a/library/src/structure/heading.rs b/library/src/structure/heading.rs
index d99e2db8..cf732a4e 100644
--- a/library/src/structure/heading.rs
+++ b/library/src/structure/heading.rs
@@ -16,7 +16,7 @@ pub struct HeadingNode {
 
 #[node(Show, Finalize)]
 impl HeadingNode {
-    fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
+    fn construct(_: &Vm, args: &mut Args) -> SourceResult<Content> {
         Ok(Self {
             body: args.expect("body")?,
             level: args.named("level")?.unwrap_or(NonZeroUsize::new(1).unwrap()),
diff --git a/library/src/structure/list.rs b/library/src/structure/list.rs
index 2a3f3035..222dcbcf 100644
--- a/library/src/structure/list.rs
+++ b/library/src/structure/list.rs
@@ -38,7 +38,7 @@ impl<const L: ListKind> ListNode<L> {
     /// The spacing between the items of a wide (non-tight) list.
     pub const SPACING: Smart<Spacing> = Smart::Auto;
 
-    fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
+    fn construct(_: &Vm, args: &mut Args) -> SourceResult<Content> {
         let items = match L {
             LIST => args
                 .all()?
diff --git a/library/src/structure/reference.rs b/library/src/structure/reference.rs
index 4f672707..361f8c25 100644
--- a/library/src/structure/reference.rs
+++ b/library/src/structure/reference.rs
@@ -7,7 +7,7 @@ pub struct RefNode(pub EcoString);
 
 #[node(Show)]
 impl RefNode {
-    fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
+    fn construct(_: &Vm, args: &mut Args) -> SourceResult<Content> {
         Ok(Self(args.expect("target")?).pack())
     }
 
diff --git a/library/src/structure/table.rs b/library/src/structure/table.rs
index eaadc3a1..54413b63 100644
--- a/library/src/structure/table.rs
+++ b/library/src/structure/table.rs
@@ -23,7 +23,7 @@ impl TableNode {
     /// How much to pad the cells's content.
     pub const PADDING: Rel<Length> = Abs::pt(5.0).into();
 
-    fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
+    fn construct(_: &Vm, args: &mut Args) -> SourceResult<Content> {
         let TrackSizings(columns) = args.named("columns")?.unwrap_or_default();
         let TrackSizings(rows) = args.named("rows")?.unwrap_or_default();
         let TrackSizings(base_gutter) = args.named("gutter")?.unwrap_or_default();